Icom VHF Marine Transceiver IC-M88 - Manual (Page 14)

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Audio generator
300 Hz to 3 kHz AC
millivoltmeter
SP+
SP
MICE
MIC
PTT
PTTE
Add a jumper wire here
OPC-966
(Cloning cable)
SINAD meter
Speaker (8 )
Audio generator
to the antenna connector
RF power meter
0.1 10 W/50
Frequency
counter
Attenuator
40 dB or 50 dB
FM
deviation meter
Standard signal generator
0.1 V to 32 mV
( 127 dBm to 17 dBm)
CAUTION:
DO NOT transmit while
SSG is connected to the
antenna connector.
to an RS-232C port
DB9 female plug
Personal
computer
RS-232C cable (straight)
*OPC-966
(JIG CABLE)
• CONNECTION