Icom IC-M504 instruction manual Other Functions, Intercom operation, HM-162 listener

7 OTHER FUNCTIONS

■Intercom operation

The optional Intercom function allows you to talk to the deck from the cabin. The optional command microphone is required for Intercom operation.

Connect an optional command microphone as described on p. 63.

•Transmitting is impossible during Intercom operation.

•The received signal is muted during Intercom operation.

q Push and hold [LO/DX•IC•SCRM] for 1 sec. to enter Inter-

com mode.

• The optional command microphone power is automatically

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

•“TALK” or “LISTEN”* appears on the caller or listener function display.

*“ ” or “ ” appears on the HM-157.

•To adjust the IC-M504’s speaker output level, rotate [VOL].

•To adjust the HM-162’s speaker output level, rotate [SELEC- TOR] after pushing [VOL] on the HM-162.

•To adjust the HM-157’s speaker output level, push [Y] or [Z] after pushing [VOL• DIM PA/RX ] on the HM-157.

turned ON, even if the power is OFF.

Push and hold for 1 sec.

INTERCOM TALK

INTERCOM

LISTEN

HM-162 (listener)

INTERCOM

IC-M504/HM-162HM-157

wPush and hold [LO/DX•IC•SCRM] for 1 sec. again to call up the optional command microphone side.

•The transceiver and the optional command microphone emit call beeps.

IC-M504 (caller)

HM-157 (listener)

rAfter releasing [PTT] you can hear the response through the speaker.

tTo return to the normal operation, push [LO/DX•IC•SCRM] momentarily.

• [16•9] and [DISTRESS] keys are also available.

50