11
ALTO FEATURE LIST
10. TONE button:
a. During a call: press the TONE button to toggle between the preset tone set-
tings on your unit, and choose the best setting for your needs. There are five
preset tone settings available on your unit, ranging from emphasizing low
frequencies to emphasizing high frequencies; the settings are specifically de-
signed to ensure the best audio experience during your phone calls. One of the
tone settings is recommended for Hearing Aid users, as it provides superior au-
dio performance while taking the presence of the device into account. The tone
setting is displayed on the screen during the time you are toggling the dierent
settings.
i. Press and hold the TONE button to enter the Custom mode, allowing for fine-
tuning of the incoming voice. See section Boost Function – Amplifying in-
coming sounds.
b. During idle mode: press the TONE button to toggle between the available ringer
tone settings. There are six ringer tones to choose from, which cover a variety of
tonalities, to ensure that you will always hear the ring of an incoming call.
11. VOLUME wheel
a. During a call: scroll the volume wheel to turn the volume of the incoming call up
or down. As you raise the volume, you will notice that the BOOST button light
turns on when you transition into Boost On mode.
b. During idle mode: scroll the volume wheel to turn the ringer volume up or down.
The ringer will sound during this mode.
12. Visual ringer lights: there are four lights that turn on (in a flashing pattern) when
the phone rings. Additionally, these lights indicate dierent functions (if the fea-
tures are enabled – listed below from left to right under the visual ringer lens):
a. Missed Call light: turns on when you have the MISSED CALL switch set to ON
and there have been at least one unanswered incoming call.
b. Voicemail light: turns on when you have the VOICEMAIL switch set to ON and
there is a voicemail waiting to be retrieved (separate service, purchased from
your phone service provider).
c. OSA light: turns on when the OSA (Outgoing Speech Amplification) function is
enabled.
d. Low Battery light: turns on when your backup batteries need to be replaced.