Risco industrial LuNAR DT AM Grade 3 Guide D'installation page 15

Remove the lens from the sleeve (Figure 7) by gently lifting it from the holding pins that secure it to
the sides of the sleeve.
FIGURE 7
Place the two pins, which are located on both sides of the sleeve into the matching slots on the lens.
Use the following table to select the desired lens position.
Return the protective sleeve back into place on the detector front cover.
Repeat steps 1 to 5 for the remaining 2 lenses.
Ind. LuNAR RK200DTG3 Installation Guide 13