Leica NA720 User Manual page 40

NA720/724/728/730/730 plus, Operation
Step Description
5. Set up the level about 1 m from staff
A.
6. Read staff A (eg.: 1.604 m).
7. Find nominal reading B; eg.:
Reading A - ∆H = 1.604 m - 0.216 m =
1.388 m.
8. Read staff B, compare nominal-
/actual- reading.
actual = 1.604
nominal
I
2
= 1.388
A
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δ
B