SG2 BASE Instruction Manual203. MECHANICAL MOUNTINGThe emitting (TX) and receiving (RX) units must be installed with the relevant sensitive surfaces facingeach other. The connectors must be positioned on the same side and the distance must be includedwithin the operating range of the model used (see section 10 “Technical data”).The two units must be positioned the most aligned and parallel possible.The next step is the fine alignment, as shown in section 5 “Alignment Procedure”.Two types of brackets can be used to fix the two units:Angled fixing bracketsAngled fixing brackets are supplied with all SG2-B models (Fig.13).Adjustable supports for correcting unit inclination on the axes are available on request (see section.14“Accessories”).For fixing with angled brackets, refer to Fig.13.Fig. 13