Icom IC-GM1600E Service Manual page 13

• CONNECTION
AC millivoltmeter
Audio generator
to RS-232C port
to USB port
PC
SINAD meter
Speaker (8 Ω)
• JIG CABLE
OPC-478 (RS-232C type)
OPC-478U (USB type)
To CLONE line
(BLACK)
To red line
(RED)
To [SP] To [SP]
connector connector
OPC-478/U
to the antenna connector
To MIC. line
(WHITE)
JIG cable
OPC-1028
IC-GM1600/E
To SINAD meter/speaker
To audio generator/AC millivoltmeter
WHITE
(MIC. line)
RED
(SP. line)
BLACK
(CLONE line)
5 - 2
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.
Attenuator
20 dB / 30 dB
deviation meter
RF power meter
0.1–3 W/50 Ω
Frequency
counter
OPC-1028
SHIELD
FM