Icom IC-M503 instruction manual Connections and Maintenance

■Connections

t

q

r

we

q DC POWER CONNECTOR

Connects the supplied DC power cable from this connector to an external 12 V DC power source.

CAUTION: After connecting the DC power cable and

external speaker jack, cover the connector and jack as shown below to avoid water seeping into the transceiver.

CONNECTIONS AND MAINTENANCE 8

w EXTENSION JACK

Connects to the optional DS-100 (#02) DSC CONTROLLER.

e EXTERNAL MICROPHONE CONNECTOR

Connects to the optional HM-134REMOTE-CONTROL MICRO-

PHONE.

•Intercom function is available.

CAUTION: NEVER connect another microphone such

as the HM-127, etc. It may cause damage to the trans- ceiver.

r ANTENNA CONNECTOR

Connects a marine VHF antenna with a PL-259 connector to the transceiver.

CAUTION: Transmitting without an antenna may damage the transceiver.

t EXTERNAL SPEAKER JACK

Connects to an external speaker. See ‘Options’ on p. 27 for available external speakers.

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