7
the receiver and the transmitter when the detector is switched on. (Switching channels
once the detector is powered up has no effect.)
When the detectors are placed one on top of the other (fig. 1) or placed in the same
alignment (fig. 2), allocate different channels to each detector.
5. Alignment and settings
Optical alignment
This alignment step consists of making the axes of the transmitting and receiving modules
coincide.
Start with the transmitter modules, and adjust the alignment by using the built-in
viewfinders.
T
R
Transmitter Receiver
3 4
CHANNEL
1
CHANNEL
2
CHANNEL
3
CHANNEL
4
3 4
3 4
3 4
ON
1
2
3 4
Align.
B1 B2
Channel
DIP switches 3 and 4
Channel selection
DIP switches 1 and 2:
Selection of beam cell
alignment
CHANNEL 2
CHANNEL 1
CHANNEL 2
CHANNEL 1
CHANNEL 1
Transmitter
Receiver Receiver
Transmitter Transmitter
Receiver
Receiver
Receiver
Transmitter
Transmitter
fig.1
fig. 2