4.2. Prism(s) Installation.
Due to the principle of the detector i.e. reflective, the prism(s) must NOT be mounted on glass or a
polished reflective surface.
Mount the Prism(s) on a
solid structure
, 90º to the beam path, between 5 to 50 metres (ZP7BMR-50), and 50
to100 metres (ZP7BMR-100) directly opposite the Detector.
50R =
100R =
1
Prism
4
Prisms
Ensure that there is a clear line of sight to the Detector, taking care that no moving objects i.e. doors,
mechanical lifting equipment etc, will interfere with the beam path between the Detector and Prism(s).
Note: On ranges of
≥
5 metres and
≤
50
metres use a
ZP7BMR-50
.
On ranges of
≥
50 meters and
≤
100
meters use a
ZP7BMR-100
.
5. Prism Targeting Mode.
If the beam is less than 15 metres from the reflector ignore Prism Targeting mode and go to Alignment mode.
Apply power to the Detector. There is a pre-charge delay after power is applied to allow the internal circuits to
stabilise correctly.
Do not remove the detector from the wall during this action.
Using the mode switch (See fig. 4) select ‘Prism Targeting Mode’ (Switch will be in the up position). At this time
there will be a fault condition showing on the panel.
Find the prism(s) by adjusting the horizontal and vertical thumbwheels until the Amber LED is flashing. Both the
Red and Amber LED will be OFF when no signal is being received. The Red LED will start to flash when a weak
signal is received (the stronger the signal, the faster the flash rate). When the received signal is high enough
the Red LED will extinguish and the Amber LED will start to flash.
•
At this point it is essential to test that the prism(s) and not another surface is
reflecting the beam
.
This can easily be confirmed by covering the prism(s) with a non-reflecting surface and confirm that the AMBER
and RED indicators are OFF.
6. Alignment Mode.
Mechanical alignment is provided by two adjustment thumb wheels on two sides of the Detector, positioned just
behind the Detector Head cover. Adjustment is achievable in both axes.
6.1. Enabling Alignment Mode.
Do not remove the detector from the wall during this action.
Using the mode switch (See fig. 4) select ‘Alignment Mode’ (Move switch to the middle position). At this time
there will be a fault condition showing on the panel.
6.2. Adjustment in Alignment Mode.
The Detector will automatically adjust its infrared beam power and receiver sensitivity to give an optimum
receiver signal strength.
The alignment progress is indicated by the colour and state of the indicator lamp on the front of the Detector.
