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5.2 Optical Module Masking
Peel-off masks are provided with the unit for each segment of the
optical module to allow for customized coverage, or to block out areas
of objects that may cause thermal disturbances. The mask is self-
adhesive and pre-cut in the shape of the optical module.
The location of the zone to be masked depends on the position of the
detector. Therefore, determine the mirror surface to be masked before
removing the mirror from the detector.
To block out a particular zone or group of zones, peel off a section of
the mask that corresponds to the appropriate zone, and stick it on the
mirror segment. Before attempting any masking, be sure the chosen
mirror surface is the correct one.
NOTICE!
When attempting to remove any masking, many adhesives will either
destroy the mirror surface or leave enough residue behind to reduce
coverage performance.
SIDE VIEW
E-4
M-4
M-3
M-2
M-1
5
E-1
E-2
E-3
Figure 8.1: Masking
When replacing the mirror, make sure it is facing the same direction as
before it was removed.
6 LED Operation
The detector uses a tri-color LED to indicate the various alarm and
supervision trouble conditions that may exist. See chart below.
LED
Steady red
Tri-color
Steady green
Flashing red
Flashing red (4 pulse sequence)
If the detector experiences a Microwave or PIR self-test failure, it is in
need of replacement.
7 © 2021 Bosch Security Systems B.V.
TOP VIEW
AR8-13
A
P
B
P
O
C
O
N
D
N
M
E
M
L
F
G
K
L
J
H
I
K
J
1
2
3
4
5
4 3
2
1
CAUSE
Unit alarm
Microwave activation
PIR activation
Warm-up period after power-up (2 min)
Replace unit
7 Feature Selection
7.1 LED On/Off Pins
The ON position allows operation of the tri-color LED. If LED indication
is not desired after setup and walk tests are completed, place in the OFF
position. The OFF position does not prevent the LED from indicating
supervision trouble conditions.
Figure 6.1: Selecting features
A
B
7.2 PIR Sensitivity Selection Pins
C
D
For selection, place the plug across the pins marked I for Intermediate
mode or H for High mode.
E
•
Intermediate Sensitivity (I): Tolerates environment extremes on this
F
setting, but requires the largest amount of intruder motion to achieve
an alarm.
G
H
I
•
High Sensitivity (H): The recommended setting for most installations.
Use in locations where an intruder is expected to cover only a small
portion of the protected area. Tolerates normal environments on this
setting. The detector is shipped in High Sensitivity mode.
7.3 Microwave Adjustment
1. The tri-color LED should be off before walk testing.
2. Walk test across the pattern at the intended coverage's farthest end.
Start walking from outside the intended protection area and observe
the tri-color LED. The edge of the microwave pattern is determined
by the first tri-color, microwave activation of the LED (or the first red
activation if the green PIR LED activates first).
NOTICE!
During walk testing, the LED will light for the first technology
(microwave or PIR) and then light red to indicate a detector alarm. The
LED will not indicate activation of the second technology by lighting its
color.
Sensitivity
LED
Jumper
LED
OFF ON
I
H
OFF
ON
NOTICE!
It is important to wait 1 minute after removing/replacing the cover so
the microwave portion of the detector can settle, and to wait at least 5
seconds between the following walk testing procedures.
Jumper
I
H
F.01U.263.664 | 08 | 2021.04 | 8
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