11
6.
Beam Alignment
1.
Place the emitter and the receiver face to face along a
straight line. Move the emitter in the up, down, left and
right directions, in order to determine the range of the light
received condition with the help of the operation indicator
(orange), and place it almost at the center.
2.
Similarly, adjust for up, down, left and right angular move-
ment of the emitter.
3.
Further, perform the angular adjustment for the receiver
also.
4.
Check that the stability indicator (green) lights up.
Emitter
Receiver
Sensing object
Operation indicator
(Orange)
Stability indicator
(green)
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