Desa JourneyMan HD-9240 Manual De Instrucciones página 11

If the wide angle (270°) coverage is too wide for
your application, you may need to install the lens
shield to reduce the coverage angle.
❒
Decide which side of the lens you want to cover.
❒
Curve the shield as shown. Slide the shield
down, under the two metal ribs of the case.
Make sure the shield slides all the way down
so the entire shield will lay directly against
the lens.
❒
Slip the small protrusion behind the vertical
metal rib to hold the top of the shield in place.
Slip behind
vertical rib
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If the sensor is not kept level you may experi-
ence an apparent decrease in range because
objects may pass under the detection zone with-
Lens shield
out being detected.
Metal
ribs
-11-
Maximum
Coverage Angle
270°
Approx. area
blocked by the
lens shield (if
used)