These dip pin settings would set the frequency the opener and remote operated on.
How to check frequency of garage door opener.
Next you will need to shut power to the garage off with your circuit breaker.
The openers are old stanley v 76 models with 8 dip switches on the receiver.
Look for a small black button behind the lens light of the head receiver on the door opener near the antenna.
Double check it to make sure it is correct.
This was accomplished by sliding each of the nine dip pins into matching position on the opener and the remotes.
These dip pins frequencies operated in the 300 400 mhz range.
Press and hold this button.
If you got the dip switch positioning correct the garage door motor will turn on.
Test the operation of the garage door using the transmitter.
How to change the frequency for a garage door opener.
Point your door opener remote toward the head receiver two feet or closer and press.
Align the 12 dip switches in exactly the same pattern as you have written on paper.
Snap the cover back on the back of the transmitter.
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.
First plug the garage door opener into an outlet in the house using an extension cord.