13
GDO-8 Instruction Manual
14. Coding a Transmitter
Remotely Coding Transmitters
Using this method transmitters can be coded without access to the
opener’s control panel as long as a pre-coded transmitter is available.
a. Take any pre-coded transmitter. Press the button for the function to be
duplicated and release.
b. Using a small needle / pen, press and hold firmly for two seconds the
middle button, through the Coding Hole.
c. Within ten (10) seconds take the additional transmitter you wish to
code. Hold the new transmitter’s button for two seconds, pause for two
seconds, hold again for two seconds and then release.
d. Wait for ten (10) seconds and then press the new transmitter’s button
to test.
Erasing a Stored Transmitter Code
a. Select the transmitter you want to delete.
b. Press and hold the DOOR CODE BUTTON
.
c. Press the transmitter button you would like to delete for two seconds,
pause for two seconds, press again for two seconds and then release.
d. Release the DOOR CODE BUTTON. The code should now be deleted.
Confirm this by pressing the transmitter button - the function (e.g. door
opening) should not respond.
Erasing All Transmitter Codes
a. Turn off power to the opener.
b. While switched off, press and hold the DOOR CODE BUTTON
.
Turn on
power to the opener while holding this button.
c. The OPEN LIMIT, CLOSE LIMIT and DOOR STATUS LEDs will illuminate
for about five seconds. These LED’s will turn off and the CODING LED
will illuminate.
d. Release the DOOR CODE BUTTON. All stored codes will now be
deleted. Confirm this pressing buttons on any previously coded
transmitters - the opener should not respond.
