DMP Electronics Inc. Smoke Alarm XR2400F User Manual

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These keys allow you to enter your user code and other information
into the system.

The ARROW key is used to go back through the displays while
operating your system. You can press the ARROW key to back up
through the list of functions in the User Menu or to make a correction
by erasing the last character you entered.

The COMMAND key allows you to advance through the displays or
User Menu or complete a data entry function.

The Fire Command Center incorporates three LEDs to indicate the
status of the system.  The three indicator lights are described below.

This LED remains ON steady when both AC and battery input are
good.  The LED turns OFF when AC input is low.  The LED flashes
for 1/2 second intervals when battery input is low.

This LED turns ON when any trouble is displayed in the status list,
such as AC, battery, phone line, transmit, ground fault, NAC, or any
zone trouble.  This light is OFF when no trouble is displayed in the
status list.

The ALARM LED is ON when any alarm is currently displayed in the
status list.  This LED is OFF when no alarm is currently displayed in
the status list.

There are four keys under the display called the SELECT keys. They
allow you to choose what to do by pressing the SELECT key under
choices being shown in the display.

Your system comes equipped with a built-in, easy to use Fire
Command Center that allows you to properly operate the system. The
keyswitch to the left of the keyboard must be turned to the “enable”
position before you can use the four functions keys.  It is not
necessary to use the keyswitch when using a user code to perform
operations.  The illustration and descriptions below highlight some
features of the Fire Command Center:

Keyswitch

Function
Keys

LCD Display

Data Entry Keys

ARROW Key

COMMAND Key

Status LEDs

SELECT  keys