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Help, Troubleshooting, and Instructions |
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The Model DXT-54 Passive Infrared Motion Detector
Transmitter is a battery powered passive infrared motion detector with a
built-in transmitter designed for use with Linear's DX format receivers. This
transmitter can be used in a variety of motion detection applications. When the
passive infrared sensor detects motion in its field of view, the transmitter
sends a digitally coded wireless signal to its companion receiver.
The
digital DX code format features over a million possible codes. The DX
transmitters are precoded at the factory to unique codes, so no field coding is
required. The DXT-54 can send two different signals: alarm and low
battery.
In a typical installation, the motion detector is mounted
indoors in a corner or on a wall between six and eight feet high. The sensor
will monitor the infrared level in its detection pattern. If the level increases
or decreases rapidly (as when a person or animal moves through the area) the
transmitter triggers, sending an alarm signal to the receiver.
The unit
is powered from a 9-Volt alkaline battery. The battery's life can be up to three
years depending on the area's traffic. When the battery gets low, the test
indicator will flash and a low battery signal will be sent to the receiver when
the detector senses motion.
To conserve battery life, during normal
operation, the detector can trigger the transmitter a maximum of once every four
minutes.
For setup and testing, pressing the detector's test button
places the unit in walk test mode for four minutes. The installer can walk in
front of the unit while viewing the red test indicator through the detector's
lens to determine the detection area.
In walk test, an alarm signal is
sent each time the walk test indicator lights. During normal operation, the
detector requires a pulse count of three events in eight seconds before sending
an alarm transmission.
Alarm and low battery transmissions
Walk-test mode
Fresnel lens with 24 facets
Battery saver circuitry
9-volt alkaline battery supplied Specifications
Dimensions: 3.2 in W x 4.4 in H x 1.75 in D (82 x 112 x 45 mm)
Power: Two 9V Alkaline batteries
Current Consumption:
15 mA transmitting, 4 mA walk test,
8 ľA
standby, 15 ľA timer mode
Battery Life: Three years (typical)
Battery Saver Timer: 4-minute software timer, rearms after alarm
transmission
Measured Range:
700 feet in open air, one quadrant;
500 feet minimum
in open air (four quadrant test)
Accessories: Mounting hardware, including screws, double-stick tape
Code Outputs: Alarm, low battery
Detector: Balance dual element, pyroelectric
Installed Lens: Standard Fresnel lens, 24 facets, 9 main, 8 intermediate, 5
short, 2 creep
Detection Pattern: 30 feet x 30 feet
PIR Sensitivity: Preset, non-adjustable, pulse count of 3 with 8-second
detection window
Operating Frequency: 315MHz
Compatibles by Linear
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