DMP Electronics XR150FC - Handling Alarms

While the fire alarm horns, strobes, or sirens are going o, use one of the following
methods to silence the alarm:
1. Turn the keyswitch to enable the four function keys, then press the
SILENCE key.
2. Enter your User Code, then press COMMAND.
Note: You may silence an alarm using both of the above methods on the
Remote Fire Command Center too.
HOW TO HANDLE AN ALARM