ATA GDO-2v2 Overhead Door Opener Manual

Setting of Receiver & Transmitter Codes

The transmitter's coding switches are located under the slide off battery cover. Using a pen or similar instrument. Move the small switches so as to form a random looking pattern. For example switches 1, 2, 5, 7, 8, 10 and 11 in the position and 3, 4, 6, 9 and 12 in the on position. The selected pattern is encoded by the transmitter and forms the transmitter's code.

Matching the GDO-2's Receiver to the Transmitter's Code
Follow the simple procedure below to match the GDO-2's receiver to the transmitter's code.

1. Press and hold the CODES SET button on the GDO-2's control panel.
2. Press the transmitter's button for approximately two seconds.
3. Pause for at least one second.
4. Press the transmitter's button again for approximately seconds.
5. Release the CODE SET button.
6. Test the transmitter for operation.

 
NOTE 1: The transmitter's code can be deleted from the receiver's memory by repeating the procedure above.
 
NOTE 2: The receiver can store up to fifteen different transmitter codes.
 
NOTE 3: To delete all transmitter's codes in the receiver's memory, hold the CODE SET button down and turn the power on the GDO-2, release the CODE SET button after approximately five seconds.