User Manual

NOTICE:
• Data services are available only in TMO Mode.
• Data services are blocked in TXI Mode.
• When set to Voice Only, the built in data modem is disabled to conserve battery power.
Setting Data Function
Procedure:
1 From the home screen, press the MENU key.
2 Select Setup → Data Setup.
3 Select one of the following:
• Voice Only — Your radio receives and transmits voice calls only.
• Data Only — Your radio acts as a modem. It rejects incoming and outgoing voice calls
(except for Emergency Calls), status and text messages.
• Voice & Data — Your radio acts as a modem but voice calls have priority over data calls and
can interrupt them.
Audio
This menu item allows you to adjust your radio audio settings.
Audio Profiles
An audio profile is a set of audio parameters, such as the volume of alert tones, that are configured by
your service provider to fit a particular operating environment. For example, the audio parameters can
be adjusted to situations when the radio operates inside a building or on a noisy street.
For a detailed description of a specific audio profile, contact your service provider.
Setting Audio Profiles
When and where to use: To adjust the audio parameters of the radio its current operating
environment.
Procedure:
1 From the home screen, press the MENU key.
2 Select Setup → Audio → Audio Profile.
3 Select a required profile.
Howling Suppression
The howling suppression is a mode increasing the stability of the acoustic feedback loop. The radio
eliminates howling caused by the feedback loop from the receiving radios to the sending radio in
simplex calls. You can toggle the howling suppression during an active call.
To enable this anti-howling function, you can either use the radio menu or the corresponding One-
Touch Button.
Chapter 5: Main Menu
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