- 82 -
so you must input again. Use "ESC button" to escape without
saving.
1
1
1
17.
7.
7.
7. Checkout
Checkout
Checkout
Checkout and
and
and
and calibration
calibration
calibration
calibration
The instrument is under strict test and calibration, the quality is
accord with the standard demand. But after a long-distance
transportation and environment change, the small change of
instrument parameter is inevitable. Therefore, the new purchased
instruments should be checked and calibrated before surveying
to ensure the precision.
1
1
1
17
7
7
7.1
.1
.1
.1 Level
Level
Level
Level tube
tube
tube
tube
·
C
C
C
Checkout
heckout
heckout
heckout
Refer to the chapter "2.3 Centering and Levelling-Up".
·
Calibration
Calibration
Calibration
Calibration
1.
1.
1.
1.
In the calibration, if the leveling bulb diverge from the center,
use the foot spiral which parallels the leveling tube to adjust to
make the bubble move half of the distance to the center. For the
remaining, use the calibration needle to turn the level calibration
screw (in the right of the water-level) to adjust the bubble to the
center.
2.
2.
2.
2.
Turn the instrument for 180
°
, check that whether the bubble
is in the center. If the bubble is not centered, repeat step (1) until
the bubble to the center.