Car Audio Centre : Car Security Systems

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Car Audio Centre  is UK's Number 1 car audio retailer, with stores nationwide and stocking over 3000 product lines so you can be sure you are in safe hands.

A piece of advice about car alarms from us, Car Audio Centre -- GET ONE!

Having an expensive aftermarket system in a car without an alarm is asking for trouble. We have heard too many stories of people learning the hard way and losing thousands of pounds when they find out that their aftermarket system was not covered by their insurance. Alarms may not be able to stop the thief but they do attract a lot of attention to the thief's activities. Besides having an alarm, here are a few other pieces of advice to keep your stereo, YOUR stereo.

•    Don't drive through neighborhoods blasting the bass and calling attention to your system. Not only is this a courtesy to the residents but it also keeps the local hoods from scoping your ride as their next target.
•    When parking your vehicle, try to park under lights and in an area where it is not hidden from view. Keeping it in the open reduces your chance of a thief breaking in to it. Thieves hate to be seen.

Car Alarm Types
There are two main types of car alarm activation methods. Passive and active. Passive alarms automatically enter an armed state after the ignition is turned off and the last door is closed. Active alarms require the user to press the transmitter button to arm and disarm the system. If you set your alarm to arm passively you can probably get a discount on your insurance. Check with your insurance provider. You may get a discount either way. Most good alarm systems can be configured as passive or active arming.

An alarm system should be put in at the same time or before a stereo system is put in. By waiting until after the system is in you run the risk of having it stolen before the alarm is installed.
When shopping for an alarm don't be cheap. There are plenty of no name units coming out of China which I would recommend you steer clear of. A good quality unit can be purchased for about a hundred dollars if you shop around.

For two hundred pounds you should get an alarm with some extensive features built in. Installation for the alarm will run about one hundred dollars and up depending on how many extra features that you want hooked up and how fancy you want the installation to look. Keep the appearance on at least the same level as the stereo system, especially if you plan on competing in car sound off competitions.

Car Alarm Features
There are probably more features available on a car alarm than any other single category of equipment available for your system. There are new features constantly popping up on the market. Here are some of the most common.

Active Re-arm: After the alarm has been disarmed the system will automatically re-arm after a specified amount of time if a door is not opened. This is to prevent accidental disarming by the remote transmitter.

Air Horns: These are used on the interior or exterior to call more attention and cause pain to the thief if he makes it into the interior of the vehicle.

Anti-Code Grabbing: A method employed to change the alarm code with every arm/disarm. The purpose of which is to defeat code grabbing equipment that can capture and resend your code to disarm the alarm at the thief's leisure.

Arm: The act of turning the alarm to an active state.

Brain: The main box of the alarm that controls all of the sensors and connected equipment.

Carjack Protection: A feature that, when activated, will cause the engine to turn off and the siren to blare. Used when a vehicle is taken forcefully from the owner.

Channels: The number of outputs an alarm has that may be controlled by the transmitter.

Disarm: The act of turning the alarm to an inactive state.

Dome Light Illumination: A feature that will turn on the vehicle's dome light when the alarm is disarmed.

Door Lock/Unlock: A feature that allows the power locks on a vehicle to be operated by the alarm.

Emergency Disarm Switch: A hidden switch used to disarm the alarm in case of an emergency.

Flashing Lights: When an alarm is triggered, the lights or parking lights will flash. Also when the car is armed or disarmed the lights will flash one or more times for confirmation.

Ignition/Starter Kill: A feature that disconnects the ignition/starter when the alarm is armed.

Key-in Features: Any number of features that activate when the key is put into the ignition of the vehicle.

LED: Standing for light emitting diode, it is a small light emitting device that is placed in the interior of a vehicle to warn thieves of the alarm's presence.

Microwave Detectors: A type of proximity sensor that triggers when an object enters the sensors zone of protection.
These sensors are very popular with open vehicles such as convertibles and Jeeps.

OEM Alarm Disarm : This allows the installed unit to disarm the factory alarm when necessary. Normally a factory alarm does not respond well to the functions of an aftermarket alarm since the OEM alarm thinks the actions (remote start, door unlock, etc.) are an attempted break in.

Paging: Some alarms have a feature that can send a signal to a supplied pager when the car alarm is triggered.

Pain Generators: An interior device such as an airhorn, the purpose of which is to be so loud as to cause pain to the perpetrator.

Pin Switches: A switch most often used on doors, hood or trunk. These switches make or break an electrical connection when their zone is opened, sending a trigger signal to the alarm brain.

Relay: An electromechanical switch that, when triggered by a low current signal, activates a connection, allowing a much larger current to be used than if a relay was not present.

Remote Start: The ability of an alarm to start a vehicle from a remote distance. Especially useful in winter or summer to pre-warm/cool the interior.

Siren: The device on a car alarm that is heard when the alarm is triggered. These are usually mounted in the engine compartment.

Smoke Generator: A device that, when triggered by an alarm, fills the interior with harmless smoke, further inhibiting a thief. These were semi-popular at one time but I believe they have all been discontinued.

Strobes: A highly intense light that is used to further call attention to a vehicle when the alarm is triggered.

Tracking: Some alarms have a built in device that allows the vehicle to be tracked should it ever be stolen. LoJack is an example of this.

Transmitter: The small device, usually on a keychain, used to arm/disarm and control the alarm.

Trigger: A signal that is sent to the alarm brain from the sensors, activating a response within the brain.

Trunk Release: A feature that will open the power release trunk, useful when hands are full with groceries or other items.

Valet Switch: A hidden switch used to disable the alarm temporarily.

Window Roll-up Module: A unit that will roll the power windows up on a vehicle when the alarm is armed.

Zone: An area of the vehicle that is protected by a sensor of some kind.

Car Audio Centre  is always here to offer the best sound advice possible for you. We are a quality company that you can trust.

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