4-2
■
JIG
DC power supply
(7.5 V/3 A)
Ammeter
(0 to 10 A)
Red
Black
BP-263
Make two holes in the back of the case and pass the cables through.
[JIG battery case]
[JIG plug]
(GND)
(REMOTE)
3-conductor 3.5 (d) mm (
¹⁄8 in)
plug
82 k
Ω
[JIG cable 1]
+
−
AC millivoltmeter
(10 mV to 10 V)
+
−
Audio generator
(300~3000 Hz/1~500 mV)
(MIC)
(GND)
33 k
Ω
4.7 µF
+
PTT
3-conductor 2.5 (d) mm (
¹⁄10 in)
plug
[JIG cable 2]
+
−
(GND)
(SP)
External speaker
(1 W/8
Ω
)
+
−
Distortion meter
(3% or less at 1 kHz/50 mV to 10 V)
3-conductor 3.5 (d) mm (
¹⁄8 in)
plug