ADT On-The-Go Emergency Response System User Manual page 23

Frequently asked questions
I am going to travel. How should
I prepare?
Your mobile device will work nationwide
anywhere there is AT&T cellular coverage.
We recommend you call ADT support
when you arrive at your new location, so
we can update our systems with your new
location address, emergency contacts,
and lock box location. This ensures that
if we must alert emergency responders,
they will have all relevant information
to assist you without delays. Please
remember to bring the following items:
neck pendant and/or wrist button, mobile
device, and cradle charger.
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How do I prepare my device for
air travel?
Your mobile device will need to be turned
off. Simply hold the on/off button for
approximately 2-3 seconds until the red
battery light illuminates, when the flight
attendant requests all cell phones to be
turned off.