4-1
4 PREPARATION FOR MEASUREMENT
4
PREPARATION FOR MEASUREMENT
When attaching the instrument on a tripod, first attach only the tribrach on the tripod, then attach the
instrument after leveling and centering.
4.1 Detach/Attach of Tribrach
The instrument is easily detached or attached to the tribrach.
z
Detachment
1
Loosen the tribrach fixing screw.
2
Loosen the tribrach fixing lever by turning counterclockwise.
(When the tribrach fixing lever securing screws are screwed in, use the driver provided in the
package to loosen.)
3
Lift the instrument straight upwards and off.
z
Attachment
1
Coincide the white alignment piece on the lower part of the instrument with the tribrach alignment
groove.
2
Tighten the tribrach fixing lever firmly by turning clockwise.
3
Tighten the tribrach fixing screw.
z
Locking the tribrach fixing lever
1
The tribrach fixing lever can be locked from being moved accidentally.
This is useful if the upper instrument section is not being detached very often. Simply tighten the
securing screw on the fixing lever with the accessory screw driver.
Securing screw
Tribrach fixing lever
Tribrach alignment groove
Tribrach fixing screw
Tribrach circular level
Optical plummet
telescope
Alignment piece
Tribrach alignment groove
Содержание GLS-1000 SERIES
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