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7
OTHER FUNCTIONS
■
Automatic Foghorn function
The Automatic Foghorn function repeatedly sounds a horn
until the function is turned OFF. Four patterns are selectable
for varying situations.
The hailer speaker is used to sound the foghorn. To use this
function, the hailer speaker must be connected to the trans-
ceiver. See page 56 for connection details.
The audio frequency of the foghorn is selectable.
See page 52 for details.
TYPE
PATTERN
USAGE
UNDERWAY
STOP
SAIL
TOW
One 5-second blasts every 120
seconds.
Two 5-second blasts (separated
by 2 seconds) every 120 sec-
onds.
One 5-second blast followed by
two 1-second blasts (each sepa-
rated by 2 seconds) every 120
seconds.
One 5-second blast followed
by three 1-second blasts (each
separated by 2-seconds) every
120 seconds.
Motor vessel underway and making way.
Motor vessel underway but stopped (not
making way).
Sailing vessel underway, fishing vessel
(underway or anchored), vessel not under
command, a vessel restricted in her ability
to maneuver (underway or at anchor), or a
vessel towing or pushing another ahead.
Vessel under tow (manned).
5s1
120s
5s1
2s
1s
120s
5s1
2s
1s
120s
5s1
2s
120s
☞
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Summary of Contents for IC-M504A
Page 1: ...INSTRUCTION MANUAL iM504A VHF MARINE TRANSCEIVER ...
Page 78: ......