Wireless Infrared Motion Sensor
(490-2025A)             Installing The Battery        Faxback Doc. # 18322

To prepare your motion sensor, you must install a battery and set the 
ARM/DISARM switch.  Your system's motion sensor requires a 9V alkaline
rectangular battery (Cat. No. 23-553).

1.  Remove the cover on top of the sensor by removing the screw and then
    sliding the cover in the direction of the arrow.

2.  Set ARM/DISARM to DISARM.

3.  Connect the battery terminals to the connector inside the compartment,
    and place the battery in the compartment on top of the red ribbon (for
    easier battery removal.

    NOTE:  Leave the cover off the motion sensor so you can adjust its 
           controls as described in "Adjusting the Sensor," Faxback Doc.#
           18323.

4.  Wait about 2½ minutes for the indicator on the front of the motion 
    sensor to flash; then, proceed with the installation.

POWER-ON INACTIVITY

For about 2½ minutes after you install or replace the battery, the sensor
does not detect motion, send signals to the control base, or respond to the
TEST button or internal tamper switch, regardless of the base's mode.  This
delay allows the sensor's movement-detection circuitry to stabilize before
operation.

After the 2½ minutes, the sensor's indicator lights briefly if the sensor
is disarmed (ARM/DISARM is set to DISARM).  If the sensor is armed
(ARM/DISARM is set to ARM), the sensor sends a status message to the
control base and the sensor's indicator flashes.  This shows that the
sensor is ready to operate.

NOTE:  When the sensor is disarmed, the status message is sent after about
       an hour.

LOW BATTERY INDICATION

When the motion sensor's battery becomes low, the base's BATT LOW indicator
and the zone indicator for the sensor flash.

Replace the sensor's battery.

If the sensor is armed, the sensor sends a status message to the base after
about 2½ minutes.  The sensor's zone indicator lights steadily.  If the
sensor is disarmed, it sends the status message after about 1 hour.  The
BATT LOW indicator turns off, and the zone indicator for the sensor lights
steadily.