Leica NA720 User Manual page 38

NA720/724/728/730/730 plus, Operation
Circular Level
Step Description
1. Level up instrument.
2. Turn instrument by 180°.
3. If bubble of level is outside the circle then it should
be adjusted (see point 4.).
4. Correct the half error using an Allen key and
repeat steps 2 and 3 until the bubble of level is in
the centre in any telescope direction.
Δ
008799_001
Δ/2
008800_001
38