Icom IC-M504 instruction manual Hailer operation, Other Functions

7 OTHER FUNCTIONS

■Hailer operation

The IC-M504 has a hailer function for voice amplification over a loudspeaker, making it unnecessary to leave the bridge to talk a hailing party.

Connect an external hailer speaker (25 W nominal at 13.8 V/4 Ω ) as described on p. 58.

•Transmitting is not possible during hailer operation.

•The received signal is muted during hailer operation.

qPush [HAIL•RX ] to enter hailer mode.

Push	HAILER
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wPush and hold [PTT] and speak at a normal voice level into the microphone.

•“TALK” appears.

•“WAIT” appears at the channel comment indicator when the op- tional command microphone is in use.

•To adjust the hailer level, rotate [DIAL].

eTo return to normal operation, push [CLR] or [HAIL•RX ].

•While in the hailer mode, the transceiver functions (trans- mit and receive) are interrupted. If the transceiver is in transmit condition, the hailer function is not available.

•When a DSC call is received, the hailer function is inter- rupted with an automatic return to the transceiver mode. The transceiver’s display indicates ‘Receiving DSC calls.’ (p. 41)

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