5）Repeat the above check and calibration until no bubble shift occurs at any
telescope direction.
5.2 Automatic compensator
1）Centering the bubble by adjusting.
2）Observing the movement of reticle after 1/8 round right and left turning of
leveling screw which close to collimation axis. (Or sighting the object which
easy to see clearly and tapping tripod and instrument at the same time)
( Fig.5.4 ).
Fig.5.4
The horizontal cross line immediately return to the original position,
thus indicating that the automatic compensator mechanism is working
normally. Please check before using.
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