70
9
CONNECTIONS AND INSTALLATION
■ Connections
D Rear panel connections
Grounding
L See page 71.
Grounding
L See page 71.
OPC-1465
(10 m, 32.8 ft, purchase separately)
12 V battery
Optional AT-140
HF antenna
(for DSC operation)
CAUTION:
• After connecting an antenna, tuner control cables,
external speaker, or GPS receiver, cover the
connectors with a rubber vulcanizing tape, as
shown below, to prevent water seeping into the
connection.
• DO NOT pull the antenna and control cable
receptacles. It may cause cable disconnection (in
the tuner unit), damage inside the connector, or a
bad connection.
NOTE: Disconnect the battery from the IC-M803
Main unit, or charge the battery while at anchor,
otherwise the battery may become exhausted.
Rubber vulcanizing tape