ADT K5309V2 User Manual page 17

Your system may be equipped with a keyswitch for use when arming and disarming.
Red and green lights on the keyswitch plate indicate the status of your system as
follows:
Green Light: Lights when the system is disarmed and ready to be armed (no
open zones). If the system is disarmed and the green light is off, it
indicates the system is not ready (one or more zones are open).
Red Light: Lights or flashes when system is armed in AWAY or STAY mode.
See your installer for the meanings of the lit red light:
Lit Steady = system armed AWAY or
Flashing
Rapid flashing = an alarm has occurred (memory of alarm).
Before arming, close all perimeter doors and windows.
To arm in the AWAY mode:
Turn the key to the right for 1/2 second and release.
Touchpads beep twice and the red indicator lights or
flashes.
To arm in the STAY mode:
Turn the key to the right and hold for longer than 1
second, then release. Touchpads beep three times
and the red indicator lights or flashes.
To disarm the system:
Turn the key to the right and release. The red light
turns off
system armed STAY and exit delay has expired
= system armed STAY and exit delay timer active
GREEN
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RED