Arrange the order of permanent adjustments of a theodolite
I. plate level test
II. cross-hair ring test
III. bubble tube adjustment test
IV. spire test
V. collimation in azimuth test
VI. vertical arc test
1
I - IV - II - III - VI
2
III - II - I - IV - VI
3
II - I - V - IV - VI - III
4
I - II - V- IV - III - VI