Setting the operating mode and frequency
response curve
Position of
Operating
DIP switches
mode
Permanently
switched on (ON)
1 2 3 4
Push-to-talk
button (PTT)
1 2 3 4
Push-to-mute
button (PTM)
1 2 3 4
On/off (factory
preset)
1 2 3 4
4
DIP switch bank:
(visible when rear side
is open)
Operating mode
Frequency response curve
Position of
Frequency
DIP switches
response curve
Low cut, can be
used in all
1 2 3 4
operating modes
Low boost
1 2 3 4
Low and high
boost (factory
1 2 3 4
preset)
linear
1 2 3 4