Icom IC-M504 [58/80] Other functions

Icom IC-M504 [58/80] Other functions
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7
OTHER FUNCTIONS
New2001
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 ˘) as described on p. 58.
Transmitting is not possible during hailer operation.
The received signal is muted during hailer operation.
q Push [HAIL•RX ] to enter hailer mode.
w Push and hold [PTT] and speak at a normal voice level
into the microphone.
TALK appears.
WAITappears at the channel comment indicator when the
optional command microphone is in use.
To adjust the hailer level, rotate [DIAL].
e
To 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)
HAILER
15
Push

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