SHANGHAI ESURVEY GNSS CO., LTD.
37
8.2
Check and Adjust the Circular Level
To check and adjust the circular level, do the following:
1. Level the plate level for precise leveling of the instrument.
2. Observe if the bubble of the circular level is within the circle:
o
If it is, no adjustment is required.
o
If not, proceed to step
3
.
3. Adjust the two bubble adjusting screws with the adjustment pin:
