Look for a small black button behind the lens light of the head receiver on the door opener near the antenna.
How to change frequency on liftmaster garage door.
You can also adjust a modern garage door opener s range by operating an external receiver.
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Unfortunately if the control panel for your garage door opener is older it may be more prone to radio frequency interference.
Press and hold this button.
Your garage door is likely using a frequency clustered around the 2 4 ghz band that s been designated the ism band otherwise known as the industrial scientific and.
Because older garage door openers have outdated components you may have problems changing the range in an efficient manner.
In order to change the frequency for a modern device you must install another circuit board.
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The purpose of this is to ensure that your garage door opener s frequency doesn t interfere with your neighbor s favorite radio station or the airplane flying overhead.
Point your door opener remote toward the head receiver two feet or closer and press.
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