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hand side of the PC board (see Table 1 and
Figure 4).
Figure 2. Cover Removal
Figure 3. Mounting Holes in Base
Vertical Pattern Adjustment
The protection pattern provided by the lens in use
can be raised or lowered by re-positioning the PC
board in the detector. A graduated scale to the
right of the board (see Figure 4 indicates the
approximate number of degrees by which the
pattern can be raised (max. +5°) or lowered (max.
-15°). The detector is normally shipped with the
board set to the 0° position. To make this
adjustment, remove the cover on the detector and
loosen the screw holding the PC board (the screw
is located at the approximate center of the board).
Slide the board upward or downward by the
number of degrees required, then tighten the
holding screw again. After any adjustment, you
must conduct a walk test to ensure proper
coverage of the area to be protected, as indicated
under "Test Proceduress."
Lens Masking
The masking strips that have been supplied are
designed for application to one or more lens
segments to produce a protection pattern that
suits the particular requirements of the protected
area.
Individual
masking
strips
provided for each of the lens segments on the
standard lens supplied with the PIR. Simply peel
off the appropriate pressure-sensitive adhesive
strip(s)
and
apply
over
the
segment(s). Be sure to affix the masking strips to
the inside of the lens (not the outer, smooth side).
Each lens segment that is masked results in the
elimination of one zone of protection from the
coverage pattern. By masking segments of the
lens, you can adjust the coverage to suit the area
to be protected, or eliminate coverage from areas
where you anticipate environmental disturbances
that might reduce the PIR's stability (a heater or
other heat-producing object, for example).
Important: When hallway pattern masking is
used, be sure the PIR is set for instant response.
Horizontal Adjustment of Lens
The protection pattern provided by the lens can be
moved to the left or right by horizontal adjustment
of the lens, as follows:
1. Remove front cover.
2. Press inward on the upper and lower lens
locks at the left or right side only to release the
lens supports on one side. Now slide the lens
to the left or right, as needed. The lens may be
moved as much as 8° from center in either
direction.
3. When the lens is in the desired position, press
the lens locks downward on the released side
to lock the supports in place.
4. Replace the front cover (make sure the cover
snaps tightly).
After any adjustment, you must conduct a walk
test to ensure proper coverage of the area to be
protected, as indicated under "Test Procedures."
PULSE COUNT OPTION
Each detector includes Pulse Count circuitry that
is designed to provide stability in adverse
environments to minimize false alarms.
count is selected by positioning a jumper across
the ON pulse count terminals (shown in Figure 4).
When set for pulse count, the detector will signal
an alarm within 2 or 3 steps, since the processing
logic requires more complex motion than just a
momentary event. When the detector verifies an
intrusion, the built-in transmitter will send an alarm
message to the control/receiver.
LED DISABLE
The detector is shipped with the LED disabled
(LED jumper in the "NORMAL" position). The LED
may be enabled (for the walk-test) by positioning
the LED jumper in the "TEST" position (see Figure
4).
Note: When the jumper is in the "NORMAL"
position, the LED will not light, but the built-in
transmitter will transmit alarms when the PIR
senses motion.
have
been
desired
lens
TEST PROCEDURES
Important: Testing should be conducted with the
protected area cleared of all people. Place the
protective system's control in the Test mode for
the walk test procedure. When the PIR senses
movement, a beep will be heard from the system's
console, verifying that the PIR's transmitter signal
has reached the control's wireless receiver.
The absolute range of all PIR units is subject to
variation because of different types of clothing,
backgrounds and ambient temperature. For this
reason, ensure that the most likely intruder routes
Pulse
Figure 4. PC Board
- 2 -
are well within the PIR's protective zones and that
walk-testing is carried out along these routes.
Walk-Test
1. Remove front cover and set the pulse count
jumper in the detector in the OFF position
initially. The LED must be enabled at this time
(jumper in the TEST position).
2. Replace front cover and walk through
protective zones, observing that the detector's
LED lights whenever motion is detected (the
LED serves as a Walk-Test indicator during
this procedure).
3. If pulse count is going to be used in this
installation, set the pulse count jumper to the
ON setting and repeat the walk-test procedure.
Note: If pulse count mode is used during the
walk test, the LED will stay lit for approximately
1 to 3 seconds after detecting motion.
4. After the Walk Test is completed, the LED
jumper should be placed in the NORMAL
position (LED disabled). Failing to do so
will reduce the battery life.
MAINTAINING PROPER OPERATION
In order to maintain the detector in proper working
condition, it is important that the user observes the
following:
1. Replace both batteries within 7 days after a
"low battery" message has appeared in the
system's display.
2. Detectors should never be re-aimed or
relocated without the advice or assistance of
the alarm service company.
3. The physical surroundings of the protected
area should not be changed. If furniture or
stock
is
moved,
or
air-conditioning
additional heating is installed, the PIR may
have to be readjusted.
4. Walk-tests should be conducted frequently (at
least weekly) to confirm continued proper
coverage.
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