When set to Voice Only, the built in data modem is disabled to
conserve battery power.
Audio Settings
From the main menu, select Setup > Audio.
This sub-menu allows you to adjust
the MTP850 audio settings.
Audio Profile
When there is a need of different audio
quality and subsequently adaptive audio
parameters, you can modify them accordingly to the working
environment. An audio profile adjusts the audio parameters
of the terminal to fit its current operating environment.
There are up to 5 profiles available (depends on your
provider).
To select an Audio Profile:
1. From the main menu, select Setup > Audio > Audio
Profile.
2. Scroll and choose your required profile.
Howling Suppression
Howling Suppression is a mode of operation that eliminates
howling effect.
To enable or disable Howling Suppression:
1. From the main menu, select Setup > Audio > Howling
Supr.
2. Scroll and choose respectively Enabled or Disabled.
On powering on the Howling Suppression is disabled.
Audio Toggle
You can control audio routing (speaker/earpiece) for any
Private or Group Call via the dedicated Speaker Control key
(see page 26.)
You can also define via the menu to have all Group calls in
high audio or controlled by the Speaker Control key.
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Audio
Audio Toggle
Volume Adj. Mode
Select
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