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6. Targeting and Alignment
The overall alignment process consists of Targeting (coarse adjustment of FDL242 onto the reflector), Alignment (fine adjustment to the centre of
the reflector) and the activation of a test alarm for functional verification.
The preferred method of Targeting is Laser Targeting: a red laser beam allows the most efficient coarse adjustment of the FDL242 onto an already
mounted reflector. For a mounted FDL242, laser targeting also provides an easy way of locating a suitable mounting position for the reflector. For
details see section ‘Laser Targeting’.
The alternative Targeting process, Prism Targeting, should only be applied if Laser Targeting is not possible, for instance in high ambient light
conditions where the laser might not be visible. For details see chapter ‘Prism Targeting’.
The preferred and most efficient Alignment process is Automatic Alignment. For details see chapter ‘Automatic Alignment’. Only if the Automatic
Alignment fails should the alternative Manual Alignment process be used. For details see section ‘Manual Alignment’.
For the targeting and alignment process the User Interface needs to be accessed by unscrewing the fixing bolt and opening the door as indicated
in the image below. The door should remain attached to the FDL242, however on the rare occasion that it becomes unattached, it is possible to
reattach the tether by reinserting the barbed end.
Introduction
Alignment
and settings
Laser window
Detector Status
indicator
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