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13.
DISTANCE MEASUREMENT
13.5 Slope distance
/
Horizontal distance
/
Height difference measurement
Q
The slope distance, the horizontal distance, and the height differ-
ence are measured simultaneously with the angle.
Check! before measurement
:
1.
SET2C is set up correctly over the surveying
P.18
point.
2. The V and H circles have been indexed.
3. The Instrument parameters and the units
have been set.
4. The distance measurement mode is selected. 9 P.38
5. The prism constant correction value is set.
P.41
6. The atmospheric correction is set
7. The centre of the target is corr
and the return signal i s adequate for
measurement.
(start the measurement from Theodolite mode or Basic mode)
234.567rn
HAR
12"
23' 40"
1) In Theodolite mode o r Basic
mode,
press
,
@
or
@J
.
This accesses the Distance mea-
surement mode, and the distance
measurement is started. The dis-
play appears as at leftandflashes.
(The illustration at the left shows
an example of slope distance
measurement.)
After about 4.7 seconds (Fine
measurement mode)
,
the dis-
tance value, the vertical angle and
t h e horizontal angle are dis-
played.
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