2 User Guide
2.0 Basic Operation
This section will provide an overview of the 1640’s
functionality. This includes the use of action keys, indicator
lights and visual feedback.
Many of the features in your system must be enabled by
the installer. If the feature is not programmed, the keypad
will emit a rejection beep and the action will be cancelled.
2.1 Action Keys
The 1640 has action keys with which you can access its
various functions as shown in Table 1.
Table 1: Action Keys
Name Key Description
Stay Arm Refer to Stay Arming on page 9 and
Instant Arming on page 9.
Force Arm Refer to Force Arming on page 10.
Function Key 1 Press and hold to activate devices (i.e.
garage door) or reset smoke detectors.
Speak to your installer for more details.
Function Key 2 Reserved for future use.
Zone Bypass Refer to Manual Bypass Programming
on page 11.
1640-EU02.fm Page 2 Wednesday, May 18, 2005 3:10 PM