RIDGID metal detector Manuel utilisateur

Pipe, Cable and

Sonde Locator

• Français – 33

• Castellano – pág. 67

WARNING!

Read this Operator’s Manual

carefully before using this

tool. Failure to understand

and follow the contents of

this manual may result in

electrical shock, fire and/or

serious personal injury.

NaviTrack

®

II Operator’s Manual

Patent Pending

Ridge Tool Company

ii

Table of Contents

Recording Form for Machine Serial Number and Software Version .........................................................................................................1

General Safety Information

Work Area Safety........................................................................................................................................................................................2

Electrical Safety ..........................................................................................................................................................................................2

Battery Precautions.......................................................................................................................................................................................

Personal Safety...........................................................................................................................................................................................2

NaviTrack II Use and Care..........................................................................................................................................................................3

Service ........................................................................................................................................................................................................3

Specific Safety Information

Important.....................................................................................................................................................................................................3

Specifications and Standard Equipment

Specifications..............................................................................................................................................................................................3

Standard Equipment ...................................................................................................................................................................................4

Optional Equipment.....................................................................................................................................................................................4

Frequencies ................................................................................................................................................................................................4

Icon Legend ................................................................................................................................................................................................5

NaviTrack II Components ..............................................................................................................................................................................6

Introduction to the NaviTrack II

Installing/Changing Batteries ......................................................................................................................................................................7

Folding Mast................................................................................................................................................................................................7

NaviTrack II Modes .....................................................................................................................................................................................7

Display Elements ........................................................................................................................................................................................7

Set Up .......................................................................................................................................................................................................10

Sonde Locating

Location Methods......................................................................................................................................................................................13

Tilted Sondes ............................................................................................................................................................................................14

Measuring Depth (Sonde Mode)...............................................................................................................................................................14

Clipping (Sonde Mode) .............................................................................................................................................................................14

Line Tracing

Active Line Tracing....................................................................................................................................................................................16

Passive Line Tracing.................................................................................................................................................................................18

Operating Tips for Active Line and Passive Line Tracing .........................................................................................................................19

Measuring Depth (Tracing Modes)............................................................................................................................................................20

Clipping (Tracing Modes)..........................................................................................................................................................................20

Menus and Settings .....................................................................................................................................................................................20

Optional Features within the Display Elements Menu...............................................................................................................................22

Frequencies Selection Control .................................................................................................................................................................23

Information Screen and Restoring Defaults ..............................................................................................................................................24

Menu Tree.................................................................................................................................................................................................25

A Better Way of Locating ............................................................................................................................................................................25

Advantages of the Omnidirectional Antenna.............................................................................................................................................26

Proximity Signal ........................................................................................................................................................................................27

“Informational” Locating ............................................................................................................................................................................27

Getting the Most Out Of the NaviTrack II

More on Informational Locating.................................................................................................................................................................27

Notes on Accuracy....................................................................................................................................................................................28

NaviTrack II Maintenance Instructions

Transportation and Storage ......................................................................................................................................................................29

Installing/Using Accessories .....................................................................................................................................................................29

Maintenance and Cleaning .......................................................................................................................................................................29

Locating Faulty Components ....................................................................................................................................................................29

Service and Repair.......................................................................................................................................................................................30

Glossary – Definitions

.................................................................................................................................................................................30

Troubleshooting...........................................................................................................................................................................................32

Lifetime Warranty ..........................................................................................................................................................................Back Cover

NaviTrack

®

II

Pipe, Cable and

Sonde Locator

NaviTrack

®

II

Patent Pending

NaviTrack

®

II

Record Serial Number below and retain product serial number for your records.

See information screen for serial number and software version.

Serial No.

Software Version

• Gloves should always be worn for health and safe-

ty reasons. Sewer lines are unsanitary and may con-

tain harmful bacteria and viruses.

• Do not overreach. Keep proper footing and balance

at all times. Proper footing and balance enables bet-

ter control of the tool in unexpected situations.

• Use safety equipment. Always wear eye protection.

Dust mask, non-skid safety shoes, hard hat, or hearing

protection must be used for appropriate conditions.

• Use proper accessories. Do not place this product on

any unstable cart or surface. The product may fall

causing serious injury to a child or adult or serious

damage to the product.

• Prevent object and liquid entry. Never spill liquid of

any kind on the product. Liquid increases the risk of

electrical shock and damage to the product.

• Avoid Traffic. Pay close attention to moving vehi-

cles when using on or near roadways. Wear visible

clothing or reflector vests. Such precautions may

prevent serious injury.

NaviTrack II Use and Care

• Use equipment only as directed. Do not operate

the NaviTrack II unless the owner’s manual has been

read and proper training has been completed.

• Do not immerse the antennas in water. Store in a

dry place. Such measures reduce the risk of electric

shock and instrument damage.

• Store idle equipment out of the reach of children

and other untrained persons. Equipment is dan-

gerous in the hands of untrained users.

• Maintain the instrument with care. Properly main-

tained diagnostic instruments are less likely to cause in-

jury.

• Check for breakage of parts, and any other con-

ditions that may affect the NaviTrack II’s operation.

If damaged, have the instrument serviced before using.

Many accidents are caused by poorly maintained

tools.

• Use only accessories that are recommended by

the manufacturer for the NaviTrack II. Accessories

that may be suitable for one instrument may become

hazardous when used on another.

• Keep handles dry and clean; free from oil and

grease. Allows for better control of the instrument.

• Protect against excessive heat. The product should

be situated away from heat sources such as radiators,

Ridge Tool Company

2

General Safety Information

WARNING! Read and understand all instructions. Failure

to follow all instructions listed below may re-

sult in electric shock, fire and/or serious per-

sonal injury.

SAVE THESE INSTRUCTIONS!

Work Area Safety

• Keep your work area clean and well lit. Cluttered

benches and dark areas may cause accidents.

• Do not operate electrical devices or power tools in

explosive atmospheres, such as in the presence of

flammable liquids, gases, or heavy dust. Electrical

devices or power tools create sparks which may ignite

the dust or fumes.

• Keep bystanders, children, and visitors away while

operating a tool. Distractions can cause you to lose

control.

Electrical Safety

• Do not operate the system with electrical compo-

nents removed. Exposure to internal parts increases

the risk of injury.

• Avoid exposure to rain or wet conditions. Keep bat-

tery out of direct contact with water. Water entering

electrical devices increases the risk of electric shock.

• Do not probe high voltage line.

Battery Precautions

• Use only the size and type of battery specified. Do

not mix cell types (e.g. do not use alkaline with

rechargeable). Do not use partly discharged and fully

charged cells together (e.g. do not mix old and new).

• Recharge batteries with charging units specified

by the battery manufacturer. Using an improper

charger can overheat and rupture the battery.

• Properly dispose of the batteries. Exposure to high

temperatures can cause the battery to explode, so

do not dispose of in a fire. Some countries have reg-

ulations concerning battery disposal. Please follow

all applicable regulations.

Personal Safety

• Stay alert, watch what you are doing and use com-

mon sense. Do not use diagnostic tool while tired or

under the influence of drugs, alcohol, or medications.

A moment of inattention while operating tools may

result in serious personal injury.

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®

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heat registers, stoves or other products (including

amplifiers) that produce heat.

Service

• Diagnostic instrument service must be performed

only by qualified repair personnel. Service or main-

tenance performed by unqualified repair personnel

could result in injury.

• When servicing a tool, use only identical replace-

ment parts. Follow instructions in the Maintenance

Section of this manual. Use of unauthorized parts or

failure to follow maintenance instructions may create a

risk of electrical shock or injury.

• Follow instructions for changing accessories.

Accidents are caused by poorly maintained tools.

• Provide proper cleaning. Remove battery before

cleaning. Do not use liquid cleaners or aerosol clean-

ers. Use a damp cloth for cleaning.

• Conduct a safety check. Upon completion of any ser-

vice or repair of this product, ask the service technician

to perform safety checks to determine that the product

is in proper operating condition.

• Damage to the product that requires service. Refer

servicing to qualified service personnel under any of

the following conditions:

• If liquid has been spilled or objects have fallen into

product;

• If product does not operate normally by following the

operating instructions;

• If the product has been dropped or damaged in

any way;

• When the product exhibits a distinct change in per-

formance.

CAUTION

Remove batteries entirely before shipping.

If you have any questions regarding the service or repair

of this machine, call or write to:

Ridge Tool Company

Technical Service Department

400 Clark Street

Elyria, Ohio 44035-6001

Tel: (800) 519-3456

E-mail: [email protected]

On the Web: www.ridgid.com or

www.navitrack.com

In any correspondence, please give all the information

shown on the nameplate of your tool including model

number and serial number and software version

(See

Figure 1)

.

Specific Safety Information

WARNING

Read this operator’s manual carefully before using

the NaviTrack II. Failure to understand and follow

the contents of this manual may result in electrical

shock, fire and/or severe personal injury.

Call the Ridge Tool Company, Technical Service De-

partment at (800) 519-3456 if you have any questions.

Important Notice

The NaviTrack II is a diagnostic tool that senses elec-

tromagnetic fields emitted by objects underground. It is

meant to aide the user in locating these objects by rec-

ognizing characteristics of the field lines and displaying

them on the screen. As electromagnetic field lines can be

distorted and interfered with, it is important to verify the

location of underground objects before digging.

Several utilities may be underground in the same

area. Be sure to follow local guidelines and one call

service procedures.

Exposing the utility is the only way to verify it’s ex-

istence, location and depth.

Ridge Tool Co., its affiliates and suppliers, will not be

liable for any injury or any direct, indirect, incidental

or consequential damages sustained or incurred by

reason of the use of the NaviTrack II.

Specifications and

Standard Equipment

Specifications

Weight w/batteries.........5.2 lbs. (2.35 kg.)

Weight w/o batteries......4.5 lbs. (2.04 kg.)

Dimensions:

Length ...........................15.0″ (38.1 cm.)

Width .............................7.2″ (18.3 cm.)

Height (Extended) .........31.1″ (78.9 cm.)

Height (Closed) .............19.1″ (48.5 cm.)

Power Source................4 C-size batteries, 1.5V

Alkaline (ANSI/NEDA 14A,

IEC LR14) or 1.2V NiMH or

NiCad rechargeable batteries

Power Rating:................6V, 550mA

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®

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Signal Strength..............Non-linear in function. (2000

is 10x higher than 1000, 3000

is 10x higher then 2000, etc.)

Operating Environment

Temperature................-4°F to 122°F (-20°C to 50°C)

Humidity ......................5% to 95% RH

Storage Temperature .....-4°F to 140°F (-20°C to 60°C)

Default Settings

The default settings for the locator are:

• Measured Depth units = Feet & Inches,

• Volume = 2 (two settings above mute),

• Backlight = Auto

• 512 Hz (Sonde) Default Mode

Optional Settings

The optional settings for the locator are:

• Measured Depth units = Meters,

• Volume = 0 (mute) to 5,

• Backlight = On, Off

• Mode: Active Line Trace, Passive Line Trace

Standard Equipment

Optional Equipment

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Nominal and Exact Frequency Values (NaviTrack II)

Sonde 16 Hz 16

512 Hz 512

640 Hz 640

850 Hz 850

8 kHz 8192

16 kHz 16384

33 kHz 32768

Active Line 128 Hz 128

Trace 1 kHz 1,024

8 kHz 8,192

33 kHz 32,768

200 kHz 200000

262 kHz 262,144

Passive Line 50 Hz

Trace (9th harmonic) 450

60 Hz

(9th harmonic) 540 Hz

(European) 93 kHz 93,696.0

93 kHz -B 93,622.9

(See note on 93 kHz Frequencies on page 17.)

Catalog

No. Description

14818 NaviTrack Line Transmitter – 10 Watt

20168 NaviTrack Brick Transmitter – 5 Watt

20503 Inductive Clamp (4.75″)

16728 Remote Transmitter (Sonde)

19793 Float Sonde (Package of 2)

12543 Surface Markers and Clip

Catalog

No. Description

96967 NaviTrack II Locator

12543 Surface Markers and Clip

22388 Molded Carrying Case

— Operator’s Manual (Downloadable @ www.navitrack.com)

— Quick-Start Guide (Downloadable @ www.navitrack.com)

Frequencies

Default Frequencies

Sonde ........................512Hz

Active Line Trace.......128Hz 1kHz, 8kHz, 33kHz,

262kHz (European: 93kHz)

Passive Line Trace....60Hz (9th)

Optional Frequencies

Sonde ........................16Hz, 640Hz, 850Hz, 8kHz,

16kHz, 33kHz

Active Line Trace.......200kHz

Passive Line Trace....50Hz (9th)

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NaviTrack

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Icon Legend

Display Icons

Keypad Icons

Sonde Frequency

Active Trace Frequency

Proximity Signal

Signal Strength

Battery Level

Measured Depth/Distance

Signal Angle Indicator

(Sonde Mode)

Signal Angle Indicator (Trace Mode)

Pole Icon

Sonde Equator Line

Up Key – Menu Navigation

Select Key – Menu Select

Sonde Mode: Force Depth/Re-center Audio

Line Trace Mode: Force Map Display on if Signal

Strength is centered, Re-center Audio

Power ON/OFF Key

Menu Key

Frequency Key

Sound Key

Audio Level

Down Key – Menu Navigation

Menu Icons

Low Battery Warning

(Flashing)

Level Pointer

(Signal Strength)

Tracing Line

(Lower Antenna Signal)

No Trace Signal Present

No Sonde Signal Present

Water Mark

(Signal Strength)

Distortion Line

(Upper Antenna Signal)

Factory Default Reset

Menu Check Box

Signal Clipping

Tools Menu

Backlight Settings

Screen Contrast Adjust

Screen Setup

Menu Setup

Information Screen

Auto Exit Menu

Timeout Counter

Exit/Go Up One Level

(Press Menu Key)

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NaviTrack

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Figure 3

NaviTrack II Components

Battery Compartment

Serial Number Label

USB Connector

Serial Port Connector

NOTE: USB/Serial Ports are

for loading new software

Antenna Mast

Surface Markers

Upper

Omnidirectional

Antenna Node

Folding Joint

Lower

Omnidirectional

Antenna Node

Figure 2

Figure 1

Display Screen

Keypad

Handle

Speaker

Headphone Jack

Folding Mast Snap

Figure 5 – Folding Antenna Mast and Release Button

NaviTrack II Modes

The NaviTrack II operates in three distinct modes. They

are:

1. Sonde Mode, used for locating Sondes in pipes,

conduits, or tunnels that are non-conductive or cannot

otherwise be traced.

2. Active Line Trace Mode, used when a chosen fre-

quency can be put onto a long conductor using a line

transmitter, for locating conductive pipes, lines or

cables.

3. Passive Trace Mode, used for tracing electrical lines

that are already carrying 60 Hz current (U.S.) or 50 Hz

current (Europe).

Note that the two Tracing modes, Active and Passive,

are identical except for the frequencies used. No trans-

mitter is used in Passive Trace mode.

Display Elements

Beginning operators or experienced operators can use

the NaviTrack II with equal ease. While the NaviTrack II

offers advanced features that make the most complex lo-

cate easier, many of its features can be turned off or hid-

den to make the display simpler when doing basic

locating in uncomplicated situations.

The “basic features” of the NaviTrack II are on by default.

They can be customized easily to suit the user’s re-

quirements. The use of the various elements displayed

is covered in separate later sections of the manual.

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NaviTrack

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Introduction to the NaviTrack II

Installing/Changing Batteries

To install batteries into the NaviTrack II turn the unit over

to access the battery compartment. Turn the knob on

the battery cover counter-clockwise. Pull straight up on the

knob to remove the door. Insert the batteries as shown on

the inside decal and make sure they drop to full contact.

Fit the door into the case and turn the knob clockwise

while lightly pressing down to close. The battery cover

can be installed in either orientation.

Figure 4 – Battery Case

When the NaviTrack II is powered on, it takes a few sec-

onds to check the batteries. Until then the battery level will

show as “empty”.

Do not allow debris or moisture into bat-

tery compartment. Debris or moisture may short the

battery contacts, leading to rapid discharge of the bat-

teries, which could result in electrolyte leakage or

risk of fire.

Folding Mast

To begin operation, unfold the antenna mast and lock the

folding joint into place. When locating is complete, press

the red release lever to fold the antenna mast for storage.

NOTE! Avoid dragging the lower antenna node on the

ground while locating with the NaviTrack II. It

may cause signal noise which will interfere with

results, and may eventually damage the an-

tenna.

CAUTION

Release Button

IMPORTANT! Do not snap or whip the NaviTrack II

mast to open or close it. Open it and

close it by hand only.

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NaviTrack

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Common Display Elements

Figure 6 – Common Display Elements

The display screen in Sonde, Active Line Trace or Passive

Line Trace mode will show the following features:

Signal Angle Indicator – Angle toward the

field’s center graphically displayed; numeric value dis-

played below the graphic.

Battery Level – Indicates level of battery power.

Measured Depth/Distance – Displays the mea-

sured depth when receiver is touching the ground directly

over signal source. Displays computed distance when

the antenna mast is pointed at signal source in some

other manner. Displays feet/inches (U.S.A. default) or

meters (European default).

NOTE! Measured Depth is a

computed

number which

may vary from the physical depth or distance

depending on field strength and distortion.

Frequency – Shows current frequency setting in hertz or

kilohertz.

Mode – Icon for Sonde , Line Trace , or Passive

Line Trace mode.

+ Crosshair (Map Center) – shows your position rela-

tive to the target center.

Active View Area – The area within the circle in the cen-

ter of the operating screen, in which Sonde and Pole

icons, Tracing and Distortion lines appear.

Display Elements: Sonde Mode

Figure 7 – Display Elements: Sonde Mode

Signal Strength – Strength of signal as sensed by

the lower Omnidirectional antenna.

| | Pipe Direction – Represents the approximate di-

rection of the pipe in which the sonde is lying.

Sonde Icon – Appears when approaching the loca-

tion of a Sonde.

Equator – Represents the mid-line of the

Sonde’s field perpendicular to the axis of the Poles.

(See on page 14.)

Pole Icon – Represents the location of either of the

two Poles of the Sonde’s dipole field.

(See on page 12.)

Display Elements: Active Line Trace Mode

Figure 8 – Display Elements (Line Trace Mode)

In Active Line Trace Mode the following features will

also be displayed:

Proximity Signal – A numerical indication showing

how close the signal source is to the locator. Displays

from 1 to 999 (Line Trace modes only).

Signal Strength – Strength of signal as sensed by

the lower Omnidirectional antenna.

Distortion Line (Upper Antenna Signal) – shows

the apparent direction of the field as detected at the

upper antenna. If out of alignment with the Tracing line,

indicates a distorted field.

Signal Angle

Indicator

Active

View Area

Crosshair

(Map

Center)

Measured

Depth/Distance

Battery

Level

Numeric

Horizontal

Angle

Indicator

Mode

Frequency

,

Pole Icon

Pipe

Direction

Sonde Icon

Equator

Signal Angle

Indicator

Proximity

Signal

Strength

Distortion

Line

(Dashed)

Tracing Line

(Solid)

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NaviTrack

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Tracing line (Lower Antenna Signal) – shows the

apparent direction of the field as detected at the lower

antenna.

Display Elements: Passive Trace Mode

The screen elements in Passive Trace Mode are the

same as those seen in Active Line Trace mode.

NOTE! Mode is determined by the type of target source

(Sonde or Line). For example, selecting the

512 Hz frequency from the Sonde mode section

of the frequency menu puts the SR-20 into

Sonde mode. (A frequency must be selected

from the correct category if it appears in more

than one category, such as 33 kHz).

Default Frequencies

The Master Frequency Menu contains a large set of fre-

quencies, but only some of these are made currently

available. They are made “Currently Available” by check-

ing them in the Master Frequency Menu,

as described on

page 23

. The frequencies which are currently available ap-

pear on the Main Menu when the Menu Key is pressed.

“Currently Available” frequencies can be checked in the

Main Menu, in which case they will appear when using the

Frequency Key. If they are unchecked in the Main Menu,

they will not appear when using the Frequency Key to

cycle through frequencies. Frequencies which appear in

the Main Menu and are checked for activation are called

“Checked-Active”.

Frequencies that are “Checked-Active” can be cycled

through simply by pressing the Frequency Key

(See Fi-

gure 9)

. A frequency chosen by pressing the Frequency

Key becomes the “In Use” frequency.

Currently available frequencies in default setting include:

Sonde Mode

• 512 Hz

Active Line Trace Mode

• 128 Hz

• 33 kHz

• 1 kHz

• 8 kHz

• 262 kHz

Passive Line Trace Mode

• 60 Hz (Power)

The use of these features is described in the Sonde

Locating, Active Line Tracing, and Passive Line Tracing

sections.

Keypad

Figure 9 – Keypad

Power ON/OFF – Powers NaviTrack II ON. Powers

the NaviTrack II down after a 3-second countdown. The

countdown can be interrupted before shutdown by press-

ing any key.

Up and Down Arrows – Used for locating choices

during menu selection; used for setting the Volume

Control when the Sound Key has been pressed.

Select Key – Used to make a choice during Menu

selection; in normal operation, used to force a Measured

Depth reading and re-center audio tone. Can be used to

force a depth display. Sets volume level in Sound menu.

Menu Key – Used to display a “tree” of choices in-

cluding frequency selections, display element choices,

brightness and contrast, and restoring default settings.

Within a menu, press to move up one level.

Volume Key – Used to raise or lower the volume

setting; will cycle the volume from current setting by

steps, increasing to maximum and then off. Pressing the

volume key opens the volume control panel if it is closed,

and closes it if it is open. Volume can also be raised and

lowered using the Up and Down Keys when in the

Volume control panel.

Frequency Key – Used to set the “In-Use” frequency

of the NaviTrack II from the set of checked-active fre-

quencies. The list of frequencies that have been set to

Checked-Active status can be modified via the Menu

Key. Frequencies are grouped into three sets: Sonde

Frequencies ( ), Line Trace Frequencies ( ) and

Power Frequencies ( ). Each press of the Frequency

Key cycles to the next Checked-Active frequency.

Light Sensor – Detects light levels and controls the

LCD backlight, which is set to come on under fairly

dark conditions. The backlight can be forced on by cov-

ering the sensor with your thumb.

Volume Control

Key

Down Key

Menu Navigation

Menu

Key

Select Key

Menu Item Select

Up Key Menu Navigation

Frequency Key

Light

Sensor

Power

ON/OFF

Key

Operation Time

Using alkaline cells, typical operation time is from about 12

to 24 hours depending on sound volume and how often

the backlight is on. Other factors that affect the operation

time will include chemistry of the battery (many of the new

high performance batteries, such as the “Duracell

®

ULTRA”

last 10% - 20% longer than conventional alkaline cells

under high demand applications). Operation at lower tem-

peratures will also reduce battery life.

The NaviTrack II display can also show random symbols

when the battery power is too low to drive the internal

logic circuits correctly. This is remedied by simply putting

fresh batteries into the unit.

To preserve battery life the NaviTrack II will automatically

shut down after one hour of no key presses. Simply turn

the unit on to resume use.

Low Battery Warning

When the battery gets low, a battery icon will appear

in the map area on the screen. This indicates that the bat-

teries need to be changed and that the unit will soon

shut down.

Figure 10 – Display Low-Battery Warning

Just before complete shut down, there will be a non-in-

terruptible power down sequence.

NOTE! Voltage on rechargeable batteries may some-

times drop so quickly that the unit will just shut

down. The unit will turn off and restart. Just re-

place the batteries and turn the unit back ON.

Starting Up

After pressing the Power Key on the keypad, the

RIDGID

®

logo displays, and the software version number

will appear on the left of the screen.

Ridge Tool Company

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Figure 11 – Start-up Screen

In the European version, the screen will include a “CE”

logo:

Figure 12 – European Start-up Screen

Make a note of the software version in the box on

page 1

.

If technical support from Ridge is needed it will be helpful

to have it available.

Set Up

Once the NaviTrack II is up and running, the next step is

to set up the frequencies that match the Sonde, trans-

mitter, or line to be located.

Each frequency is selected for use by choosing it from a

list in the Main Menu. If the box on the Main Menu for that

frequency is checked, the frequency is in Checked-Active

status.

Checked-Active frequencies are already selected for

use and appear in sequence by pressing the Frequency

Key . (For example, the Sonde frequency of 512 kHz

is available by pressing the Frequency Key.)

Figure 13 – Sonde Frequency Selected With Frequency

Key

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Activating Frequencies

Frequencies can be chosen for the set of Checked-Active

frequencies so they will be available using the Frequency

Key . Frequencies can also be deactivated to keep the

frequency set smaller.

Each frequency is activated by choosing it from a list in the

Main Menu

(See Figure 15)

. Frequencies are grouped by

category:

Sonde

Active Line Trace

Passive Line Trace (Power)

1. Push the Menu Key:

Figure 14 – Menu Key

The Main Menu is then activated:

Figure 15 – Main Menu

2. Using the up and down arrows, highlight the fre-

quency desired. In

Figure 16

, below, the operator is

activating a 128 Hz frequency.

Figure 16 – Highlighting a Desired Frequency (128 Hz)

3. Press the Select Key

(shown below)

to check the box

for each frequency intended for use.

Figure 17 – Select Key

Figure 18 – Desired Frequency Checked

4. Frequencies that have been selected for use will

show a check in the box next to them. These are

“Checked-Active” frequencies.

5. Press the Menu Key again to accept the choices

and exit. The last selected Checked-Active frequency

will now be the “In-Use” frequency.

Figure 19 – Menu Key

The Main Menu lists all frequencies currently available for

activation. For information on adding additional frequen-

cies to the Main Menu so they can be chosen for activa-

tion,

see “Frequencies Selection Control” on page 23.

(European versions of the NaviTrack II include a 93 kHz

Line Tracing frequency.

See the note on page 17

on

using this frequency.)

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Sounds of the NaviTrack II

The sound level is driven by the proximity to the target.

The closer to the target, the higher the sound pitch will be.

A rising tone indicates increasing signal.

In Sonde Mode, if the sound level reaches its highest

point, it will “re-scale” to a medium level and continue sig-

naling from the new starting point.

In Sonde Mode the pitch will “ratchet” upward. That is, it

will rise and fall in pitch while approaching the Sonde.

Moving away from the Sonde, it will drop to a lower pitch

and remain there as long as one moves away from the

Sonde. Moving back toward the Sonde again it will re-

sume rising and falling starting from the level it had

reached previously. This serves as a guide to when you

are getting closer or further away from the Sonde.

In Line Trace or Passive Line Trace mode, sound is on

one continuous curve and does not re-scale.

If desired, force the sound to re-center at a medium

level (in any mode) by pressing the Select Key during

operation.

Sonde Locating

The NaviTrack II can be used to locate the signal of a

Sonde (transmitter) in a pipe, so that its location can be

identified above ground. Sondes can be placed at a

problem point in the pipe using a camera push rod or

cable. They can also be flushed down the pipe. A Sonde

is often used for locating non-conductive pipe and conduit.

The field of a Sonde is different in form than the circular

field around a long conductor such as a pipe or cable. It is

more like the field around the Earth, with a North Pole and

a South Pole.

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Figure 20 – Earth's Dipole Field

In the Sonde’s field, the NaviTrack II will detect the points

at either end where the field lines curve down toward

the vertical, and it will mark these points on the map dis-

play with a “pole” icon ( ). The NaviTrack II will also

show a line at 90 degrees to the Sonde, centered between

the Poles, known as the “equator”, much like the Equator

on a map of the Earth if the planet were viewed sideways.

Note that because of the NaviTrack’s Omnidirectional

antennas, the signal stays stable regardless of orientation.

This means the signal will increase smoothly approaching

the Sonde, and decrease smoothly moving away.

Figure 21 – Earth's Dipole Field Sideways

When locating a Sonde set up the locate in the fol-

lowing manner:

Activate the Sonde before putting it in the line. Select the

same frequency on the NaviTrack II and make sure it is

receiving the signal.

After the Sonde has been sent into the pipe, go to the

suspected Sonde location. If the direction of the pipe is

unknown, push the Sonde a shorter distance into the line

(~15 feet from the access is a good starting point).

Pole

Equator

Ground

IMPORTANT! Signal strength is the key factor in

determining the Sonde’s location. To

ensure an accurate locate take care

to maximize the Signal Strength prior

to marking an area for excavation.

The following assumes that the Sonde is in a hori-

zontal pipe, the ground is approximately level and the

NaviTrack II is held with the antenna mast vertical.

N

S

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Location Methods

There are three major parts to locating a Sonde. The

first step is to localize the sonde. The second part is

pinpointing. The third is verifying its location.

Step 1: Localize the sonde

• Hold the NaviTrack II so the antenna mast is pointing

outward. Sweep the antenna mast in the suspected di-

rection of the Sonde while observing the Signal

Strength and listening to the sound. The signal will be

highest when the antenna mast is pointing in the di-

rection of the Sonde.

• Lower NaviTrack II to its normal operating position

(antenna mast vertical) and walk in the direction of the

Sonde. Approaching the Sonde, the Signal Strength will

increase and the audio tone will rise in pitch. Use the

Signal Strength and the sound to maximize the signal.

• Maximize the Signal Strength. When it appears to be

at its highest point, place the NaviTrack II close to the

ground over the high-signal point. Be careful to hold the

receiver at a constant height above the ground, as dis-

tance affects Signal Strength.

• Note the Signal Strength and move away from the high

point in all directions. Move the NaviTrack II far enough

in all directions to verify that the Signal Strength drops

significantly on all sides. Mark the point of highest

Signal Strength with a yellow Sonde Marker (clipped to

antenna mast for convenience). This is the suspected

Sonde location.

Figure 22 – Poles and Equator of a Sonde

If while “getting closer” the Equator appears on the screen

follow it in the direction of an increasing Signal Strength to

localize the Sonde.

If a Pole appears before the Equator appears, localize the

Sonde by centering the Pole in the cross-hairs.

Step 2: Pinpoint the Sonde

The Poles should appear on either side of the max-

imum signal point, an equal distance on either side if the

Sonde is level. If they are not visible on the screen at the

point of maximum Signal Strength, move from the max-

imum point perpendicular to the dotted line (Equator)

until one appears. Center the locator over the Pole.

Where the Poles occur depends on the Sonde’s depth.

The deeper the Sonde, the further away from it the Poles

will be.

The dotted line represents the Equator of the Sonde. If the

Sonde is not tilted, the Equator will intersect the Sonde at

maximum Signal Strength and minimum Measured Depth.

NOTE! Being on the Equator does not mean that the

locator is over the Sonde. Always verify the

locate by maximizing Signal Strength and

marking both Poles.

• Mark the first Pole location found with a red triangular

Pole marker. After centering on the Pole, a double-line

indicator will appear. This line represents how the

Sonde is lying underground, and in most cases also

represents the pipe’s approximate direction.

• When the locator gets close to a Pole, a zoom ring will

appear centered on the Pole, allowing precision cen-

tering.

• The second Pole will be a similar distance from the

Sonde location in the opposite direction. Locate it in the

same manner and mark it with a red triangular marker.

• If the Sonde is level, the three markers should be

aligned and the red Pole markers should be similar dis-

tances from the yellow Sonde marker. If they are not,

a tilted Sonde may be indicated.

(See “Tilted Sonde”

on page 14)

. It is generally true that the Sonde will be

on the line between the two Poles, unless there is

extreme distortion present.

Step 3: Verify the locate

• It is important to verify the Sonde’s location by cross-

checking the receiver’s information and maximizing

Signal Strength. Move the NaviTrack II away from

the maximum Signal Strength, to make sure that the

signal drops off on all sides. Make sure to move the

unit far enough to see a significant signal drop in each

direction.

Figure 23 – Sonde Locate: Equator

• Double-check the two Pole locations.

• Notice that the Measured Depth reading at the maxi-

mum Signal Strength location is reasonable and con-

sistent. If it seems far too deep or too shallow, recheck

that there is an actual maximum Signal Strength at that

location.

• Notice that the poles and the point of highest Signal

Strength lie on a straight line.

It doesn’t matter whether you locate the Poles first, and

then the Equator, or the Equator first, and then the Poles,

or one Pole, then the Equator, and then the other Pole.

You can even locate the Sonde using just the Signal

Strength, and then verify your result with the Poles and

Equator. What is important is that you verify all the data

points, and mark the Sonde’s position where the signal is

highest.

Tilted Sondes

If the Sonde is tilted, one Pole will move closer to the

Sonde and the other farther away so that the Sonde lo-

cation no longer lies midway between the two Poles. The

Signal Strength of the nearer Pole becomes much

higher than that of the more distant Pole if the Sonde is

vertical (as it could be if it fell into a break in the line);

however, it can still be located.

If the Sonde is

vertical

what is seen on the screen is a

single Pole at the point of maximum Signal Strength.

(The RIDGID Floating Sonde is designed to have a

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single Pole “visible” and is weighted to maintain the

Sonde on a vertical axis.

See Note below

.)

It is important to realize that a severely tilted Sonde

can cause the Pole locations and the Equator to appear

offset because of the angle of the Sonde; but maximiz-

ing the Signal Strength will still guide to the best location

for the Sonde.

Floating Sondes

Some Sondes are designed to be flushed or to drift down

a pipe pushed by water flow. Because these Sondes

swing much more freely than a torpedo-shaped Sonde in

a pipe, they can be oriented any which way. This means

the Equator may be distorted by tilting, and the location of

the Poles may vary. The only guarantee of having located

a floating Sonde is maximizing the Signal Strength and

double-checking that the signal falls away on every side

of the maximum signal location.

NOTE! If a Sonde is moving, it may be easier to “chase”

a pole and then pinpoint the actual position of

the Sonde after the Sonde has stopped moving.

Measuring Depth (Sonde Mode)

The NaviTrack II calculates Measured Depth by com-

paring the strength of the signal at the lower antenna to

the upper antenna. Measured Depth is approximate; it will

usually reflect the physical depth when the mast is held

vertical and the bottom antenna is touching the ground di-

rectly above the signal source,

assuming no distortion is

present.

1. To measure depth, place the locator on the ground,

directly above the Sonde.

2. Measured Depth will be shown in the lower left hand

corner of the NaviTrack II’s display screen.

3. A Measured Depth reading can be forced by pressing

the Select Key during a locate.

4. Measured Depth will be accurate only if the signal is

undistorted.

Clipping (Sonde Mode)

Occasionally the Signal Strength will be strong enough

that the receiver will be unable to process the entire sig-

nal, a condition known as “clipping”. When this occurs a

warning symbol will appear on the screen. It means

that the signal is particularly strong.

NOTE! Measured Depth Display is disabled under

clipping conditions.

IMPORTANT! Remember that being on the Equator

does not mean one is over the Sonde.

Seeing two Poles aligned on the dis-

play is not a substitute for centering

over each Pole separately and mark-

ing their locations as described

above.

If the Poles are not visible, extend the search.

For best accuracy use the bubble level. The mast

MUST be vertical when marking the Poles and

Equator, or their locations will be less accurate!

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Figure 24 – Screen Display in Different Locations (Sonde)

On the 1" Pole On the Equator Approaching the 2nd Pole

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Line Tracing

Active Line Tracing

In active line tracing, underground lines are energized

with a line transmitter. This active signal is then traced

using the NaviTrack II. A line transmitter is different

from a Sonde in that it is used for tracing an energized

line, rather than acting as a target for a locate the way a

Sonde does. Line transmitters energize lines by direct

connection with clips, by directly inducing a signal using

a clamp, or by inducing the signal using inductive coils

built in to the transmitter.

1. Energize the line according to the manufacturer’s

instructions. Select the transmitter frequency.

DANGER

Connect both ends of the transmitter leads before

turning the transmitter on, to avoid electric shock.

Set the frequency used on the NaviTrack II to the same

frequency used on the transmitter. Be sure it has a line

trace icon.

Push the Menu button to return to the operating screen.

Figure 26 – Line Trace Frequency Chosen with the

Frequency Key

(This screen will flash briefly when a new frequency is

chosen)

2. Observe the Proximity Signal and Signal Strength to

ensure the NaviTrack II is picking up the transmitted

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Normal

Tilted

Maximum Signal Strength

Figure 25 – Tilted Sonde, Poles and Equator

Note the Pole on the right is closer to the Equator, due to tilt.

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signal.

(See Figure 27 below)

. The signal should

peak over the line and drop off on either side. The

Signal Angle indicator will be near zero when the

NaviTrack II is directly above the line.

Figure 27 – High Probability Locate

3. When tracing, the direction the pipe or cable is run-

ning will be shown on the screen with 2 lines, one

solid and one dashed. The solid line (the Tracing

line) is the signal as seen by the lower antenna node

and the dashed line (the Distortion Line) is the signal

as seen by the upper one.

(See Figure 27.)

4. The Tracing line has three important functions. It

represents the location, and the direction, of the sig-

nal being traced. It reflects changes in direction of the

target utility — when the utility makes a turn, for ex-

ample. And it helps recognize signal distortion, when

compared to the dashed line — if something is inter-

fering with the signal and distorting its shape, the

dashed line could be significantly offset or skewed.

5. Use the Proximity Number, Signal Strength, and

Tracing and Distortion lines to guide the line trace.

These three pieces of information are generated

from discrete signal characteristics to help the oper-

ator discern the quality of the locate. An undistorted

signal emitted from a line is strongest directly over that

line. By maximizing the Proximity Signal, and cen-

tering the Tracing and Distortion lines on the screen

the confidence in a “good” locate is high. Confirm a lo-

cate by testing whether the Measured Depth reading

is stable and reasonable.

Testing for the consistency of the Measured Depth read-

ing can be done by raising the NaviTrack II a known dis-

tance (say, 12" exactly) and observing whether the

Measured Depth indicator increases by the same amount.

Small variation is acceptable, but if the Measured Depth

does not change, or changes drastically, it is an indication

of a “distorted” field, or a very low level signal on the

line. As always, the only way to be completely certain of

the location of a utility is through visual inspection by ex-

posing the utility.

NOTE! The accuracy of position and Measured Depth

measurements improves as the NaviTrack’s low-

er antenna node is placed closer and closer to

the target utility. Rechecking the Measured Depth

and position periodically during the excavation

process can help avoid damage to a target utility

and may identify additional utility signals that

were not noticed prior to excavation.

WARNING

Care should be taken to watch for signal interfer-

ence that may give inaccurate readings. The

Tracing line is only representative of the position of

the buried utility if the field is UNDISTORTED. Do

NOT base your locate solely on the Tracing Line.

Always cross check your locate by ensuring that:

• The Tracing Line and the Distortion Line are

substantially aligned.

• The Proximity Signal and the Signal Strength

maximize when the Tracing Line crosses the

map center.

• The Measured Depth increases appropriately as

you raise the unit vertically and the Tracing Line

and the Distortion Line remain aligned.

Measured Depth readings should be taken as esti-

mates and actual depths should be independently

verified by potholing or other means prior to digging.

Note on 93 kHz Frequency Use

NOTE! European versions of the NaviTrack II offer an

additional 93 kHz frequency for Line Tracing.

The default 93 kHz frequency has an actual cycle count

of 93,696 cycles per second.

Some older transmitters use a different value for the

nominal 93 kHz frequency, 93,622.9 cycles per sec-

ond.

If you find that your transmitter signal at 93 kHz cannot

be detected by the NaviTrack II, set the locator’s fre-

quency to 93-B kHz, which is set to the older value. Both

93 and 93-B frequencies can be found under the Line

Trace category of the Frequency Selection sub-menu.

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Distortion

Line (Dashed)

Trace

Line

(Solid)

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Passive Line Tracing

In passive mode the NaviTrack II senses fields gener-

ated by wires carrying alternating current (AC), without

a transmitter being attached. Buried power lines typically

do not emit any traceable signal unless power is flowing

in the wires. For example streetlights that are turned off

can be hard to trace passively. Due to coupling (either

through induction or through capacitance), all metallic

lines in an area can be energized passively. Because of

this, it is possible to locate lines passively but it can be

difficult to identify which line the operator is tracing.

1. Select a Passive AC Trace Frequency with the pas-

sive line trace icon.

Figure 29 – 60 Hz Passive Trace Frequency

2. The NaviTrack II has two passive AC tracing fre-

quency settings. They are 50 Hz, and 60Hz. The

50Hz and 60Hz frequencies are set to respond to

the 9th harmonic of the commonly used AC frequen-

cies. U.S. installations are typically 60 Hz, while

European installations are typically 50 Hz.

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Figure 28 – Screen Display in Different Locations (Active Line Tracing)

Trace Line

(Solid)

Distortion

Line

(Dashed)

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