Velleman HAA53 Mode D'emploi page 3

1. Remove the lock frame of the lens
2. Remove the lens
3. When changing the lens, make sure that the glossy surface faces outwards and the ribbed surface inwards. Click
the lock frame back into place.
Remarks:
• The device is shipped with the wide-angle lens as the lens of choice
• Consult figure 3 below and the table on p. 4 for the detection range of the four lenses at a typical working
temperature of 20°C.
• Install the PCB with the mirror on top. Adjust the detection range by fixing the PCB according to the numbers (5
through 1) printed on the left- and right-hand sides of the PCB.
Fig. 3
HAA53
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3 VELLEMAN