(
CONNECTION
5 - 3
OPC-478/U
JIG cable
To IC-F24/F25/S
[SP] jack
3-conductor 3.5(d) mm plug
( SP + )
(CLONE)
(GND)
(SP − )
(
JIG CABLE
FM
deviation meter
SINAD meter
Speaker (8
Ω
)
Audio generator
AC millivoltmeter
to the antenna connector
Attenuator
20 dB / 30 dB
RF power meter
0.1–10 W/50
Ω
Frequency
counter
Standard signal generator
0.1 µV to 32 mV
(–127 dBm to –17 dBm)
DO NOT
transmit while
an SSG is connected to
the antenna connector.
To [SP]
IC-F24/F25/S
To [MIC]
JIG cable
(see page 5-1)
PC
To [SP]
connector
to USB port
to RS-232C port
OPC-478 (RS-232C type)
OPC-478U (USB type)