Icom IC-M503 instruction manual Intercom Operation, Intercom operation

INTERCOM OPERATION 7

■Intercom operation

The optional intercom function allows you to talk to the deck from the cabin. The optional HM-134* REMOTE-CONTROL MI- CROPHONE is required for intercom operation.

*DO NOT connect another remote-control microphone.

Connect an optional HM-134 as described on p. 39.

•Transmitting is impossible during intercom operation.

•The received signal is muted during intercom operation.

•To adjust the IC-M503’s speaker output level, rotate [VOL].

•To adjust the HM-134’s speaker output level, push [Y]/[Z] after pushing [VOL].

INT

INT

Intercom

TALK

qPush and holding [DIMMER] for 1 sec. to enter intercom mode.

•The HM-134 power is automatically turned ON, even if the power is OFF.

INT

INT

Intercom

IC-M503 (caller) HM-134 (listener)

rAfter releasing the PTT switch you can hear the response through the speaker.

tTo return to normal operation, push [DIMMER] momentar- ily.

•Other switches also turn the function OFF, however, the corre- sponding function is then activated e.g. pushing [16] selects Channel 16.

IC-M503HM-134

wPush and hold [DIMMER] again to call up.

• The transceiver and microphone emit call beeps.

ePush and hold the PTT switch and speak at a normal voice level into the microphone.

•“TALK” or “LSTN” appears on the caller or listener function dis- play, respectively.

• While in the intercom mode, the transceiver functions

(transmit and receive) are interrupted. If the transceiver is

in transmit condition, the intercom function is not avail- able.

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