There are two types of adjustment in the

The temporary adjustment has to be made for every setup of the instrument. The temporary

adjustment of theodolite has three steps, setting up over or under station point, leveling and

elimination of parallax. In the setting up theodolite centered and approximate leveling is done

by plumb bob and tripod legs. For the exact level of theodolite means the vertical axis of the

theodolite should truly be vertical when theodolite is leveled.It is done by leveling screws of

plate level.