Standard Horizon GX2400GPS, Owner'S Manual

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9.13.2 Operating the FOG HORN mode
The user can select the type of horn from “ Underway ”, “ Stop ”, “ Sail ”, “ Towing ”,
“ Aground ”, “ Anchor ”, “ Horn ”, and “ Siren ”.
1. Press one of the soft keys.
2. Press the [◄] or [►] key repeatedly, then press the [
FOG HORN
] soft key.
3. Rotate the
DIAL/ENT
knob to select one of the eight
functions described above, then press the [ SELECT ]
soft key.
4. Press the [ FOG VOL ] soft key, then rotate the DIAL/
ENT knob to control the AF output level.
Press the [ ENTER ] soft key. The AF output level can
be set from 0 to 31.
5. On the “ HORN " and " SIREN ” modes, press the
[ HORN ] soft key to activate the tone through the HAIL/
PA speaker.
Press the [ HORN VOL ] soft key, then rotate the DIAL/
ENT knob to control the AF output level.
Press the [ ENTER ] soft key. The AF output level can
be set from 0 to 31.
5. To listen back, rotate the VOL knob.
6. Press the [ CLEAR ] key to return to radio operation.
9.13.3 Fog Signal Timing Chart
TYPE PATTERN USAGE
UNDERWAY One 5-second blasts
every 120 seconds.
5s 5s
120s
Listen Back
Motor vessel underway and
making way.
STOP Two 5-second blasts
( s e p a r a t e d b y 2
seconds) every 120
seconds.
5s 5s 5s 5s
2s 2s
120s
Listen Back
Motor vessel underway but
stopped (not making way).
SAIL O n e 5 - s e c o n d
blasts followed by
two 1-second blasts
( s e p a r a t e d b y 2
seconds) every 120
seconds.
1s 1s 1s 1s 5s 5s
2s 2s 2s 2s
120s
Listen Back
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.
TOWING One 5-second blasts
followed by three
1 - s e c o n d b l a s t s
( s e p a r a t e d b y 2
seconds) every 120
seconds.
1s 1s 1s 1s 1s 1s 5s 5s
2s 2s 2s 2s 2s 2s
120s
Listen Back
Vessel under tow (manned).