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How Secure Is Your Garage Door Opener?
If your
garage door opener was made by a major manufacturer, it can cause a
serious gap in your home’s security that will leave you
vulnerable to burglars.
Why? Most manufacturers of these devices use only a dozen or so
frequency “combinations” for their remote controls.
This means that if a burglar has a remote made by the same manufacturer
as your garage door opener, he has about a one in twelve chance that
his remote will open your garage door! Thankfully, there is a
simple solution to this problem.
Remove the cover from your remote control opener, and you’ll find a series of 10 or 12 switches. (Some older openers have looped wires instead; breaking a loop turns off the circuit.) The relationship of these switches to each other-and the settings of a corresponding set of switches in the opener itself-determines thecombination that will operate your door.
Above: Changing your garage door's combination is relatively easy.
If only one switch is set opposite the others, an intruder with a similar remote has a 1 in 10 or 12 chance to activate the opener.
If two switches are off or on, the odds jump to 1 in 100 or 144.
Generally, the more switches that are opposite each other, the more
complex the combination and the less likely that a burglar can gain
access.
To change the combination, use a toothpick or small screwdriver to move one or more switches to the on or off position. Write down your new combination.
Next, unplug the opener, then climb up and remove the cover from the opener’s receiver. Here you’ll find a similar set of switches or looped wires. Adjust these to the same settings as the ones in the remote. If your family has several remotes, you’ll need to reprogram each one.
To change the combination, use a toothpick or small screwdriver to move one or more switches to the on or off position. Write down your new combination.
Next, unplug the opener, then climb up and remove the cover from the opener’s receiver. Here you’ll find a similar set of switches or looped wires. Adjust these to the same settings as the ones in the remote. If your family has several remotes, you’ll need to reprogram each one.
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How To Change The “Frequency Combination” Of Your Garage Door Opener: