A. adjustment of plate levels
B. adjustment of line of sight
C. adjustment of horizontal axis
D. adjustment of altitude bubble and vertical index frame
Correct Answer: adjustment of horizontal axis ✔
Last Updated: January 12, 2019
A. adjustment of plate levels
B. adjustment of line of sight
C. adjustment of horizontal axis
D. adjustment of altitude bubble and vertical index frame
Correct Answer: adjustment of horizontal axis ✔
Last Updated: January 12, 2019