Instructions

5
Rear View (Fig A)
Base View
Removable base plate
DESCRIPTION
External Loop
Connector
Loop Int/Ext
selector
switch
Loop Current
Adjustment
Loop Current
LED
Tone
Adjustment
A
udio IN
Sensitivity
Adjustment
A
udio In LED
DC Power ON/OFF switch
EXT mic jack
Audio IN jack
Power ON LED
Earpiece Jack
Earpiece
Volume Control