5-2
■
JIG
[JIG cable 1]
+
−
AC millivoltmeter
(1 mV to 5 V)
+
−
AC millivoltmeter
(1 mV to 5 V)
+
−
Audio generator
(300~3000 Hz/1~500 mV)
8..........1
MICROPHONE
CONNECTOR
(Front view)
MODULAR CABLE
PTT
33 k
Ω
4.7 µF
+
to pin 4
to pin 3
(PTT)
(AFO)
(GND)
(MIC)
to pin 6
to pin 7
[JIG cable 2]
(GND)
(EXMOD)
(AFO)
+
−
AC millivoltmeter
(1 mV to 5 V)
+
−
AC millivoltmeter
(1 mV to 5 V)
+
−
Audio generator
(300~3000 Hz/1~500 mV)
OPC-2407
4.7 µF
+
to pin 8
to pin 7
to pin 22