Compliance
FCC Part 15
This equipment has been tested and found to comply
with the requirements for a Class B digital device under
Part 15 of the Federal Communications Commission
(FCC) rules. These requirements are intended to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause
harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more
of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician
for help.
Changes or modications to this equipment not expressly
approved by the party responsible for compliance could void
the user’s authority to operate the equipment.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2)
this device must accept any interference received, including
interference that may cause undesired operation. Privacy
of communications may not be ensured when using this
telephone.
To ensure safety of users, the FCC has established criteria
for the amount of radio frequency energy that can be safely
absorbed by a user or bystander according to the intended
usage of the product. This product has been tested and
found to comply with the FCC criteria. The wireless mic may
be safely held against the ear of the user. The telephone
base shall be installed and used such that parts of the user’s
body other than the hands are maintained at a distance of
approximately 20 cm (8 inches) or more.
This Class B digital apparatus complies with Canadian
requirement CAN ICES-3 (B)/NMB-003(B)
Cet appareil numérique de la classe B est conforme à la
norme NMB-003 du Canada.
Industry Canada
Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this device
must accept any interference, including interference that may
cause undesired operation of the device.
Privacy of communications may not be ensured when using
this telephone.
The term ‘’IC:‘’ before the certication/registration number
only signies that the Industry Canada technical specications
were met.
This product meets the applicable Innovation, Science and
Economic Development Canada technical specications.
Specications
Frequency control Crystal controlled PLL synthesizer
Transmit frequency 1921.536–1928.448 MHz
Channels 5
Nominal effective
range
Maximum power allowed by FCC
and IC. Actual operating range may
vary according to environmental
conditions at the time of use.
Power requirements Ni-MH Battery Pack; 7.2V; 2100mAH
rechargeable battery
Base unit adapter:
Input: 100–240V AC 50/60Hz
Output: 12V DC @ 1.0A
Register the Wireless Speakerphone
You must register the VCS850 using the menus on the
VCS752 SIP Conference Phone.
1. On the VCS752 SIP Conference Phone, press MENU.
2. On the Main Menu, highlight User settings and then press
SELECT.
3. On the User settings menu, highlight Wireless speaker.
4. With Register highlighted, press SELECT.
The screen displays Registering... and then Registration
succeeded. The base plays a conrmation tone. The
registered speaker LEDs stop ashing red and green. The
LEDs turn green briey and then turn off.
5. Repeat steps 1 to 4 for any additional wireless speakers.
• If a speakerphone fails to register, the base unit will
display Registration failed.
• To cancel registration, press Cancel.
For complete operating instructions, see the VCS850 User
Guide, available from our website at
businessphones.vtech.com.
Specications are subject to change without notice.
© 2016 for VTech Communications, Inc.
All rights reserved. 10/16. VCS850_QSG_V1