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7
OTHER FUNCTIONS
■ Hailer operation
The IC-M504A 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 page 56.
• Transmitting is not possible during hailer operation.
• The received signal is muted during hailer operation.
q Push [HAIL•RX
HAILER
15
w Hold down [PTT] and speak into the microphone at a nor-
mal voice level.
• "TALK" appears.
• "WAIT" appears on the display while holding down [PTT] of the
optional Command microphone.
• To adjust the hailer level, rotate [DIAL].
e After releasing [PTT], you can hear the response through
the speaker.
r To return to normal operating mode, push [CLR] or push
[HAIL•RX
].
50
] to enter the Hailer mode.
• While in the Hailer mode, the transceiver's transmit and
receive functions are interrupted. If the transceiver is in
the transmit mode, the Hailer function is not available.
• When a DSC Call is received, the Hailer mode is auto-
matically cancelled. The received call type is displayed
on the LCD. (p. 35)
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