User's Guide ______________________________________________________________________
48 __________________________________________________________________ M210667EN-C
Optics Unit LTO112/212
The optics unit of the LT31 transmitter is named LTO112 (see Figure 14
below).
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Figure 14 Optics Unit Transmitter LTO112
The following numbers refer to Figure 14 above:
1 = Mounting chassis with an alignment mechanism, optics tube
and optics suspension
2 = Window transmitter module
3 = Measurement CPU (including window receiver)
4 = Main transmitter module
The optics unit of the LT31 receiver is named LTO212 (see Figure 15 on
page 49).