Adjust microphone gain, input audio volume or
mute
The four volume buttons, Mic Gain Up/Down and
external audio Volume Up/Down, provide the
flexible volume tuning functions.
G+ and G- : Single press to increase and
decrease the internal microphone gain.
G-: Press and hold about a second to mute
the internal microphone, the
amber LED
will flash
slowly. Then press G+ to un-mute
V+ and V- : Single press to increase and
decrease the external microphone or audio sound
volume.
V-: Press and hold about a second to mute
the microphone, the
amber LED
will flash slowly.
Then press V+ un-mute.
Internal Mic
Gain Up
Internal Mic Line in/
External Mic Selection
Line in
Volume Up
Line in
Volume Down
/Mute
Internal Mic
Gain Down
/Mute
