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7.25.4
Selecting the Audio Speaker
Prerequisites: Your radio must be preprogrammed to allow you to use this feature.
When and where to use: This feature allows you to select the speaker route for the radio's audio from either
the main or the secondary speaker using the radio profile settings. While both speakers function together
with the secondary speaker enhancing intelligibility of the received audio during typical radio operation, each
speaker has an independently-tuned frequency response and volume level operation.
The secondary speaker also has a "whisper" mode with a modified volume taper for quieter modes of
operation.
NOTE: If an external speaker or microphone accessory is attached to the radio, neither internal speaker
is operational as audio is routed to the accessory.
Do one of the following to select the audio speaker. You can use the options interchangeably depending on
your preference and the programmed functions.
Procedure:
●
Select the audio speaker using the preprogrammed Profile button:
a. Press the preprogrammed Profile button.
b.
or
to scroll through the menu selections.
c. Press the Menu Select button directly below Sel to select the radio profile with the required
speaker routing or press the Menu Select button directly below Exit to exit the screen without
making any changes.
The radio returns to the Home screen. The profile name on the Home screen indicates the current
selected radio profile.
●
Select the audio speaker using the radio menu Prfl:
a.
or
to Prfl.
b. To access the Profiles feature screen, press the Menu Select button directly below Prfl.
c.
or
to scroll through the menu selections.
d. Press the Menu Select button directly below Sel to select the radio profile with the required
speaker routing or press the Menu Select button directly below Exit to exit the screen without
making any changes.
The radio returns to the Home screen. The profile name on the Home screen indicates the current
selected radio profile.
7.25.5
Controlling the Display Backlight
You can enable or disable the radio display backlight as needed, if poor light conditions make the display or
keypad difficult to read.
MN001824A01-AT
Chapter 7: Advanced Features
119
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