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10. CHECKS AND ADJUSTMENTS
• Checks and adjustments should be performed before and during measurement.
• The instrument should be checked after long storage and transportation.
• The checks should be performed in the following order.
[Cautions on CHECKS AND ADJUSTMENTS]
• When adjustment is completed, be sure that adjusting screws are completely tightened.
When finishing turning adjusting screws, be sure that screws are turned in a direction for
tightening.
• Repeat check after adjustment, and check if the instrument has been adjusted properly.
• When adjustment is completed, be sure that adjusting screws are completely tightened.
When finishing turning adjusting screws, be sure that screws are turned in a direction for
tightening.
• Repeat check after adjustment, and check if the instrument has been adjusted properly.
10.1 Plate level
[Checks]
①
Align the Electronic vial in parallel with a line joining any
two of the leveling screws. Then, adjust the two screws to
center the bubble in the Electronic vial.
②
Turn two leveling screws in an opposite direction mutually
and have the bubble of the side of the electronic vial to the
center.
③
Make the bubble of the length of the electronic vial to the
center by operating the leveling screw of one remainder.
④
Rotate the instrument by 180° and confirm the position of
the bubble of the electronic vial. At this time, it is not
necessary to adjust it if the bubble of the electronic vial is
in the vicinity of the center.
●
Please check the electronic vial in a steady environment that has no vibration or rapid
temperature change.
●
When the electronic vial is checked outdoors and on a tripod, avoid sunlight influence by
using a sunshade. Please wait for a while until the instrument and tripod are at the same
temperature as the surrounding air.
●
When the instrument is seen at the position of “Left circle”, movement and the inclination
of the instrument become the same on the screen in the electronic vial. Please note that the
movement of the bubble becomes opposite direction if it is seen at the position of “Right
circle”.
10.2 Circular vial
Checks
①
Adjust by the electronic vial beforehand.
②
Confirm the position of the bubble of the Circular vial.
At this time, it is not necessary to adjust if the bubble is at the center of the circle.