NA2/NAK2-2.0.0en
Measuring
14
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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.
Before starting work, let
the instrument adjust to
the ambient temperature
(approximately 2 minutes per ºC
of temperature difference).
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).
7. Press the button to verify that
the compensator is functio-
ning.
8. Read off height H at the
horizontal reticule hair.
Example above: H=1.143
d
NA-25
NA-18
H
H
11
12
10
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