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The Daily Insight

How do I turn off the bypass on my DSC alarm?

Author

John Thompson

Published Feb 23, 2026

How do I turn off the bypass on my DSC alarm?

To exit bypassing mode, press *. If you’re using a LED keypad, the zone LED will light and the bypassed zone number will be shown on the screen. If your system is ready to arm, the Ready indicator will be lit.

What does the ADT DSC impassa alarm system do?

The ADT DSC Impassa System can generate 3 different alarm sounds. A continuous siren alarm sound is indicative of an intrusion/burglary. A temporal/pulsed siren alarm sound is indicative of a fire alarm. An alarm sound that is 4 beeps, with a 5-second pause, then 4 beeps and repeat is indicative of carbon monoxide detection.

What does a siren sound on a DSc impassa mean?

A temporal/pulsed siren alarm sound is indicative of a fire alarm. An alarm sound that is 4 beeps, with a 5-second pause, then 4 beeps and repeat is indicative of carbon monoxide detection. Important note: The priority of alarm sounds for the DSC Impassa System is fire alarm, carbon monoxide alarm, then burglary alarm.

When to use the stay arming mode on the DSC impassa?

The Stay arming mode on the ADT DSC Impassa is best used when you are at home. This mode will bypass motion sensors in your house and only arm the perimeter of your residence, so you will be free to move around inside. To arm in Stay mode, press and hold the Stay button until the system beeps, then enter your access code.

How can I tell if my DSC impassa has a low battery?

Fortunately the panel makes it relatively easy to tell which device or devices are needing replacement batteries. Go to *2. Scroll to wireless device low battery if necessary. Then press *. The screen will now display any zones that have low batteries. You can scroll through them if there are multiple. Or the screen will say no zone low batteries.

How can I test my ADT DSC impassa system?

One easy way is to type in [*] [6] [Master Code]. It will then activate the siren for 2 seconds and a full volume alarm for 2 seconds. All the lights on the keypad will turn on and the Ready, Armed, Trouble, and Power LEDs will flash during the test.

A temporal/pulsed siren alarm sound is indicative of a fire alarm. An alarm sound that is 4 beeps, with a 5-second pause, then 4 beeps and repeat is indicative of carbon monoxide detection. Important note: The priority of alarm sounds for the DSC Impassa System is fire alarm, carbon monoxide alarm, then burglary alarm.

The Stay arming mode on the ADT DSC Impassa is best used when you are at home. This mode will bypass motion sensors in your house and only arm the perimeter of your residence, so you will be free to move around inside. To arm in Stay mode, press and hold the Stay button until the system beeps, then enter your access code.

What does the yellow triangle on my ADT impassa alarm system mean?

That means if you see this symbol, your system has an issue that you need to resolve. A trouble light could mean 1 of 8 problems. To find out what the problem is, you can simply press *2 on your keypad. After pressing this on the keypad, your zone lights should light up, communicating any trouble areas. Pushing # will silence the trouble sound.