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Adjust
Press [Menu]
Press [3] to enter the adjustment screen
Press [1] to enter the V0 adjustment screen
In Face I, precisely collimate target and press
[OK].
Rotate the telescope, and collimate the same
target precisely in Face II. Press [OK].
The screen displays the adjusting value, press
[OK] to finish the setting.
Note:
1. Repeat the checking steps to measure the Index Difference (i angle). If the Index Difference cannot
meet the requirement, user should check whether the three steps of the adjustment and the collimation
are right. Then set again according to the requirement.
2. If Index Difference still not meets the requirement after the repeated operation, the instrument should
be returned to factory for inspection and repair.
12.7 OPTICAL PLUMMET
Check
1. Set the instrument on the tripod and place a piece of white paper with two crisscross lines on it right
below the instrument.
2. Adjust the focus of the optical plummet and move the paper so that the intersection point of the lines on
the paper comes to the center of the field of view.
3. Adjust the leveling screws so that the center mark of the optical plummet coincides with the intersection
point of the cross on the paper.
4. Rotate the instrument around the vertical axis, and observe whether the center mark position coincides
with the intersection point of the cross at every 90° .
5. If the center mark always coincides with intersection point, no adjustment is necessary.
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