General 24x Instruction Manual page 8

Height measurement
▪ Place the instrument onto a solid tripod
between two staves.
▪ Level off the optical using the bubble vial.
▪ Take an accurate measurement reading
from staff A. (Example. 1.924m). Take an
accurate measurement reading from staff B
(Example. 1.712m)
1.924m
8
▪ Subtract the measurement of staff B
from staff A. (Example. 1.924m – 1.712m =
0.212m). This calculation shows that staff B
is 0.212m higher than staff A.
1.712m
0.212m