Omega Excalibur AL-1000SH Owner's Manual page 23

3) Repeat this procedure for each transmitter desired to operate the security system.
The system will chirp once to confirm that each transmitter code was learned. Both
of the other two transmitter button's functions will automatically be learned when
the arm / disarm button is learned. If a code is not received within a 10 second
period, the learning process will automatically terminate.
Any one of the transmitter's three buttons may be programmed to arm and disarm
the security system. Upon the system learning the arm / disarm button, the other two
buttons are automatically assigned other functions, as follows:
Arm / Disarm
Large Center Button
Small Right Button
Small Left Button
This security system is programmed at the factory for the large center transmitter
button to arm and disarm the system. The three transmitter buttons also perform
other functions, which is explained in more detail on Page 6.
Trunk Release
Small Right Button
Large Center Button
Large Center Button
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3rd Channel
Small Left Button
Small Left Button
Small Right Button