AJAX DoubleButton User Manual page 11

a specified time. By responding to confirmed alarms only, a security company
and police reduce the risk of unnecessary reacting.
Note that the alarm confirmation feature does not disable the alarm
transmission. Whether or not the feature is enabled, DoubleButton alarms are
sent to a CMS and to security system users.
To raise a confirmed alarm (hold-up event) with the same device, you need to
perform any of these to actions:
1. Hold both buttons simultaneously for 2 seconds, release, and then press
both buttons again briefly.
2. Simultaneously press both buttons briefly, release, and then hold both
buttons for 2 seconds.