NA720/NA724/NA728/NA730-1.0.1en
Measuring
15
25
26
27
26
27
Measuring
Before starting field work
or after longer periods of
storage/transport of your
equipment check the field
adjustment parameters
specified in this User Manual.
Reduce possible
vibrations by holding the
tripod legs.
If the optical parts of
your instrument are dirty
of fogged, your measurements
can be affected. Keep clean all
optical parts of your instrument
and follow the cleaning
instructions specified in the
User Manual.
1. Setup instrument, level and
sharp-focus the reticule.
2. Setup level staff vertically
(refer also to Instruction
Manual of staff).
3. Roughly aim on staff using
the coarse aiming device.
4. Sharp-focus using the
focusing knob.
Height reading
5. Fine-aim on staff using the
endless drives.
6. Check if circular level is
centred (view level prism/
level mirror).
7. Read off height H at the
centre hair of the reticle.
Example above:
H = 2.585 m
d
NA-25
NA-18
H
H
