Vertex Standard VM-3500E, Owner'S Manual

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VM-3500E Page 66
15 APPENDIX
FOG HORN TIMING CHART
The fog horn function sounds a horn repeatedly until the function is turned off.
TYPE PATTERN USAGE
120s
Listen Back
5s 5s
2s 2s
120s
Listen Back
1s 1s 1s 1s
2s 2s 2s 2s
120s
Listen Back
1s 1s 1s 1s 1s 1s
2s 2s 2s 2s 2s 2s
120s
Listen Back
60s
Listen Back
60s
Listen Back
UNDERWAY
STOP
SAIL
TOW
AGROUND
ANCHOR One 5-second rings every 60 seconds.
One 5-second blasts every 120 seconds.
Two 5-second blasts (separated by 2
seconds) every 120 seconds.
One 5-second blasts followed by two 1-
second blasts (separated by 2 seconds)
every 120 seconds.
One 5-second blasts followed by three 1-
second blasts (separated by 2 seconds)
every 120 seconds.
One 11-second rings every 60 seconds.
Motor vessel underway and
making way.
Motor vessel underway but
stopped (not making way).
Sailing vessel underway, fish-
ing vessel (underway or an-
chored), vessel not under
command, a vessel restricted
in her ability to maneuver (un-
derway or at anchor), or a
vessel towing or pushing an-
other ahead.
Vessel under tow (manned).
Vessel is aground.
Vessel is at anchor.