Most garage door openers work using coding switches.
Garage door openers need to be programmed from their factory default to avoid the possibility of duplicating codes in adjacent systems. They also should be tested after completing installation to make sure the coded signal doesn't interfere with neighboring garage door or gate opening systems. Most garage door openers work using coding switches. The codes are set using eight position coding switches. Does this Spark an idea?
Instructions
1. Locate the coding switches. The receiver switches are likely located in the center of the back of the remote's case. The remote control transmitter's switches are likely behind the battery cover under the visor clip.
2. Pick any combination of on/off codes using a paper clip. The switches simply move up or down---on or off. The code combination of the remote control transmitters must match the receiver's. Use the same method to change the receiver code, on the back of the receiver box.
3. Replace any covers you have removed.
4. Test the remote control openers. Walk a few yards up the street, too, and test the remote to make sure your code doesn't open your neighbors' garage doors. If it does, simply select a new code.
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