9-2-3 DISPLAY BOARD• TOP VIEW
3
6
9
OK
2
5
8
0
1
4
7
CLR
CALL
SCAN
TUNE
MUTE
EMG
I/O
MIC
VOL
8V
to HM-146MIC unit J1
J8701
DIM
MICE
GND
UDC
PTT
TO
N
E
9 - 3