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CDRX12 fine tuning alignment (fig. 4, 5, 6)
• Once powered up the transmitter red led will be OFF, the receiver red led will be
LIT if the lens are not aligned and OFF if the photoelectric cells are correctly aligned.
• Select the suitable sensitivity distance level between the receiver and transmitter:
- high sensitivity H = 8 - 12 m (jumper J2 in position 1);
- medium sensitivity M = 4 - 8 m (jumper J2 in position 2);
- low sensitivity L = 0 - 4 m (jumper J2 in position 3).
• Set dip switch S1 on the receiver as follows: Dip 1 = OFF - Dip 2 = OFF
• Move the alignment procedure access Jumper "J1" to position "1"
• Align the lens as follows:
- for perfect alignment place the probes over the test point (TP) maintaining the
correct polarity as indicated on the p.c.b. card (lowest setting 2V dc) (TP fig.
8) having removed the test point cover
- loosen the 2 screws
maximum signal deviation on the tester taking into account the data shown in
the table on the right ( the values shown are purely indicative and depend on
the weather conditions);
• tighten the screws
d
to position "2".
• Once the fine tuning procedure has been completed you may move the dips on the receiver/transmitter
to whichever setting you prefer.
Attention: To make the modifications to the dip positions take effect you must hold down button P2 until
led L2 flashes twice.
c
if necessary.
d
if necessary and orientate the lens so as to obtain the
, check for correct alignment and move the Jumper "J1"
11
TX
J2
POS 3
POS 1
POS 2
RX
J1
POS 1
POS 2
Sensitivity Distance
Voltage
(m)
(V)
H
8
1,30
H
10
0,95
H
12
0,70
M
4
1,60
M
6
0,95
M
8
0,65
L
2
1,75
L
3
1,35
L
4
0,90
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