31
Step 2
Press the
Up
or
Down
key to change the value, and then press the
OK/Menu
key.
It is recommended that you set the frequency gains according to the following table:
Scenario
Low Frequency Gain (dB)
Mid Frequency Gain (dB)
High Frequency Gain (dB)
Square 0
3
5
Indoor 3.5
1.5
–1.5
Downtown 2
2
8
8.3.4
Turning the LQO Feature On or Off
The LQO feature allows the radio to automatically adjust the volume and improve the quality of received
voice in different environments.
To turn this feature on or off, go to
Menu
>
Settings
>
Audio Set
>
LQO
, and then select
On
or
Off
.
8.3.5
Turning the Audio Feedback Suppression Feature On or Off
The Audio Feedback Suppression feature helps reduce the noises arising from short-distance
communication.
To turn this feature on or off, go to
Menu
>
Settings
>
Audio Set
>
Audio Feedback Suppressors
, and
then select
On
or
Off
.
8.4
MIC & SPK
The MIC & SPK feature allows you to select the microphone and speaker used by the radio for
transmitting and receiving voice.
8.4.1
Selecting the Microphone
To set the way in which the radio uses the external or internal microphone, go to
Menu
>
Settings
>
Radio Set
>
MIC & SPK
>
MIC Selection
, and then select one of the following as required:
Follow PTT
: When you transmit by pressing and holding the radio's PTT key, the radio uses the
internal microphone; When you transmit by pressing and holding the PTT key on external device, it
uses the external microphone.
Only Internal
: The radio uses only the internal microphone.
Only External
: The radio uses only the external microphone.
External First
: When an audio accessory is connected, the radio uses the external microphone;
otherwise, it uses the internal microphone.
