12
activating microphone mute feature
5
1
3
To mute microphone, press down
on 340T
mute
button
mute switch positions:
( on off)
2
The green “power on” LED indi-
cator light will begin to blink
when mute feature is activated
3
To deactivate mute, press down
again on the mute button to
restore button to “up” position
and regain microphone sound.
2
1
