3.8. Audio volume adjustment
During conversation, press the [VOLUME] buttons to adjust the volume.
3.9. Audio Amplification
The [AMPLIFY] button activates amplification of the received audio.
Attention: In order to activate amplification, it is first
necessary to go to Settings/Special
Functions/Amplification
receiver volume and select ON.
In conversation, pressing the [AMPLIFY] button activates
amplification, the display shows the Caution icon .
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