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- 1). Press the "Command" button while the alarm is disarmed, then press "5." The "CMD" light comes on.
- 2). Enter the code you want to change, for example "1234." Press "Ent."
- 3). Type a new code to replace the existing one, for example "5678." Press "Ent."
- 4). Re-enter the new code to confirm you entered it correctly the first time. Press "Ent."
- 5). Wait a second while the alarm returns to standby mode. The "CMD" light goes out when the system is ready for use.
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