Icom IC-GM1600E - Call Channel Programming; Adjusting Squelch Level

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