Standard Horizon Matrix GX3000E owner manual FOG Horn Timing Chart, Type Pattern Usage

13 FOG HORN TIMING CHART

The fog horn function sounds a horn repeatedly until the function is turned off.

TYPE	PATTERN		USAGE
UNDERWAY	One 5-second blasts every 120 seconds.		Motor vessel underway and
			making way.
		Listen Back
		120s
STOP	Two 5-second blasts (separated by 2		Motor vessel underway but
	seconds) every 120 seconds.		stopped (not making way).

SAIL	One 5-second blasts followed by two 1-				Sailling vessel underway, fish-
	second blasts (separated by 2 seconds)				ing vessel (underway or an-
	every 120 seconds.				chored), vessel not under
		1s 1s		1s 1s	command, a vessel restricted
					in her ability to maneuver (un-
			Listen Back		derway or at anchor), or a
		2s 2s		2s 2s	vessel towing or pushing an-
			120s		other ahead.
TOW	One 5-second blasts followed by three 1-				Vessel under tow (manned).
	second blasts (separated by 2 seconds)
	every 120 seconds.
		1s 1s 1s		1s 1s 1s
			Listen Back
		2s 2s 2s		2s 2s 2s
			120s
AGROUND	One 11-second rings every 60 seconds.				Vessel is aground.

	Listen Back
	60s
ANCHOR	One 5-second rings every 60 seconds.	Vessel is at anchor.

Listen Back

60s

GX3000E Page 87