Automatic Foghorn Function - Icom IC-M504A Instruction Manual

■ Automatic Foghorn function

The Automatic Foghorn function repeatedly sounds a horn
until the function is turned OFF. Four patterns are selectable
for varying situations.
TYPE
One 5-second blasts every 120
seconds.
UNDERWAY
Two 5-second blasts (separated
by 2 seconds) every 120 sec-
STOP
onds.
One 5-second blast followed by
two 1-second blasts (each sepa-
rated by 2 seconds) every 120
SAIL
seconds.
One 5-second blast followed
by three 1-second blasts (each
TOW
separated by 2-seconds) every
120 seconds.
The audio frequency of the foghorn is selectable.
See page 52 for details.
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.
PATTERN
5s1
120s
5s1
2s
120s
5s1
1s
2s
120s
5s1
1s
2s
120s
OTHER FUNCTIONS
USAGE
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).
☞ Continued on the next page.
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