Icom IC-M502, VHF MARINE TRANSCEIVER Intercom Operation, Intercom operation, Talk

■Intercom operation

The optional intercom function allows you to talk to the deck from the cabin. The optional HM-127 REMOTE-CONTROL MI- CROPHONE is required for intercom operation.

Connect an optional HM-127 as described on p. 35.

•Transmitting is impossible during intercom operation.

•The received signal is muted during intercom operation.

qPush [LO/DX•IC•SCR] for 1 sec. to enter intercom mode.

•The HM-127 power is automatically turned ON, even if the power is OFF.

INT

INT

Intercom

IC-M502HM-127

wPush and hold [LO/DX•IC•SCR] 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.

•To adjust the IC-M502’s speaker output level, rotate [VOL].

INTERCOM OPERATION 7

•To adjust the HM-127’s speaker output level, push [Y]/[Z] after pushing [VOL].

INT

INT

Intercom

TALK

IC-M502 (caller) HM-127 (listener)

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

tTo return to normal operation, push [LO/DX•IC•SCR] mo- mentarily.

•Other switches also turn the function OFF, however, the corre- sponding function is then activated e.g. pushing [16•9] selects channel 16.

•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.

•When a DSC call is received, “DSC received” appears

and the last received DSC message is displayed after the

intercom use is finished.

•When a WX alert is received, “WX ALT” flashes and a

beep sounds. The WX alert sounds after the intercom use is finished.

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