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7.9 ft.
(2.4m)
5.0 ft.
(1.5m)
Figure 6. Cardboard undercrawl window mask
Setting the Sensitivity, Range, and
LED
The unit provides three jumpers to set sensitivity (J1), range
(J2) and LED (J3). See Figure 7.
Sensitivity (J1)
BI = Bi-Curtain Mode (factory default). Increases false alarm
immunity in smaller areas. Requires the intruder to pass
through two curtains to trigger an alarm. Do not use for single
curtain applications or ranges under 5 feet (1.5m).
STD = Standard Sensitivity. Use for most wide-angle or single-
curtain applications. Requires the intruder to pass through
only one curtain to trigger an alarm.
Range (J2)
Program J2 for range under 33 feet (10.1m, factory default for
AP450A) or to 50 feet (15.2m, factory default for AP450). It is
important to program the sensor correctly for optimum
sensitivity. Walk test the sensor regularly by walking across
the fields of view and checking that the LED lights and that the
opening relay is indicated back at the control panel.
LED (J3)
You can change the LED from enabled (factory default) on the
AP450 sensor (does not apply to the AP450A) to remote
controlled, by moving jumper J3 to the OFF/Remote position.
The LED can then be enabled remotely by applying a 0V
potential to terminal 8.
AP450 and AP450A Motion Sensors
AP450 (Form C)
NC
C
NO
0V
+12V
ALARM
J1
J2
50FT
BI
33FT
STD
RANGE
SENS
AP450A (Form A)
0V
+12V
NC
COM
J2
J1
50FT
BI
STD
33FT
SENS
RANGE
Figure 7. Wiring and Jumpers
Pet Alley Application
To create a detection-free area close to the floor, mount the unit
3.5 feet (1.1m) above the floor, upside down (sensor window
towards the ceiling). The cardboard undercrawl window mask
should be in place to reduce exposure to the ceiling.
As shown in Figure 8, pets are free to roam below the
mounting height of the unit without causing an alarms.
3.5 ft.
(1.1m)
Figure 8. Pet Alley
LED/
LED
TAMPER
SPARE
J3
OFF/
REMOTE
ON
LED
J3
OFF
ON
LED
3
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