Sokkia SET2CII Operator's Manual page 177

22. ERROR MESSAGES P.173
23. CHECKS AND ADJUSTMENTS P.177
23.1 Plate level
@
23.2 Circular level
@
23.3 Reticle @
23.4
Coincidence of distance measuring axis with reticle @
23.5 Optical plummet @
23.6 Distance measurement check flow chart @
23.7 Additive distance constant @