Click on any of
the pictures below to see a larger version.
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Two red LED’s adorn the stern light. The LED’s
are inserted behind the watertight lens. This gives instant
status recognition to the approaching skipper and also provides
an obvious beacon to would-be thieves that this boat is armed
with a sophisticated security system. Advertising a security
system is the best deterrent.
Disarming and arming the alarm is confirmed by the flashing
navigation lights.
A favorite convenience feature is to hook up the timed surveillance
lighting provision to the boat’s overhead and step courtesy
lighting. This provides automatic safe lighting long enough
to board or exit the boat at night.
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| Taking the plunge into boat alarms requires a
unique approach. Prior auto alarm or home alarm experience does
not prepare you for the challenges of a boat, especially large
boats. |
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An LED flush-mounted in the instrument panel. This LED monitor’s
status and alerts the skipper to prior intrusion attempts. |
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A reed relay switch on the interior cabin doorframe and corresponding
magnet on the interior of the cabin door combine to trigger
the alarm at the precise moment that the cabin door is ajar.
Conventional shock, impact and motion sensors do not work
on a boat.
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Also, a roller ball switch is perfectly concealed when used
on sliding cabin doors. |
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The two-button coded valet switch is mounted in an open breaker
slot within the AC/DC service panel. Without the remote control,
both the key and code is required to turn off the security
system.
The thief may know the coded valet switch location but with
an endless number of combinations the system is unbreachable.
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Usually mounted under the deck, a proximity sensor creates
a protective radar field around the helm console. This is the
first place a thief will go in attempting to circumvent the
alarm. |
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The alarm brain is mounted in the cabin making a thief pass
multiple layers of security before access. The brain must also
be located in a cool, dry place. |
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A sonic discriminator is used to detect glass breakage with
a mic just inside a sliding glass door or other large and vulnerable
glass surface. |
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A roller ball switch provides instant trigger and in many
cases can be totally concealed. The transom door is only the
first layer of protection. |
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A sensor is placed on the engine compartment hatch. Also,
the motorized hatch control is electronically bypassed while
the alarm is armed. |
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A powerful multi-tone siren wails in the event of an attempted
intrusion. Also, a short set of soft chirps confirms arm/disarm
commands. Usually the air horns are pulsed for extra attention-grabbing
volume. A slight delay on the air horns keeps them from responding
to remote control commands. |
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A hidden interior diagnostic panel is useful in isolating
individual sensors and trigger switchers. If at anchor in a
remote cove on a cool night, protected ports and hatches can
be opened for ventilation while the security system is armed
by selectively bypassing those sensors. |
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A miniature switch is attached to the overhead porthole located
in the forward stateroom. |
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A miniature switch is attached to the stern window located
in the aft stateroom. Attaching a sensor directly to glass requires
a specialized adhesive. |
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Miniature security switches protect both the port and starboard
side polycarbonate doors. |
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A high-intensity strobe light can direct attention to a boat
from a greater distance while also identifying the specific
boat experiencing an attempted intrusion.
Pain generators (using a particularly high frequency) hidden
within the compartments where thieves are expected to access,
make concentration extremely difficult. In combination with
a high-intensity strobe light, this creates a disorienting
environment for thieves where approaching authorities or security
guards cannot be heard.
Many of the security functions operate on a “normal
open” or “normal closed” circuit design according
to its intended purpose. This means the engine hatch bypass,
back-up siren with self-contained reserve battery and engine
start disable remains intact even if the power is cut or the
brain is unplugged.
Leave marine security to those with extensive marine experience.
For example, a properly installed boat alarm requires components
in the cabin, cockpit and engine compartment. This means wires
are literally routed everywhere. Penetrated bulkheads must
be resealed with non-mildew silicon so that exhaust gases
created by a generator running all night never get into the
cabin space.
There are dozens of other major concerns for a marine
technician. Visit with an EARMARK marine consultant for the
best security plan for your boat.
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Earmark Car Audio
972.458.2660
©2004 Earmark Car Audio. All Rights Reserved.
Design & Programming by Ad
Cetera Inc.
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