Levelling the instrument:
The OLS 26 is aligned by turning the adjusting screws (1).
The bubble of the circular vial (7) must be precisely in the centre.
Commissioning
Assemble the tripod and place it firmly in the required position. The tripod head
should be aligned as level as possible. Screw the level onto the connecting thread
of the tripod. To ensure that the level is in exactly the right position, suspend
the plumb-line from the connecting screw under the instrument if necessary.
Setting up the telescope
1. Focussing the eye-piece:
Turn the OLS 26 to face a
light-coloured background.
Focus the cross-hairs by
rotating the eye-piece.
2. Focussing the object lens:
Use the sight (6) to point the
OLS 26 towards an object
(e.g. a levelling rod). Turn
the adjusting screw (4) to
focus the image.
If the bubble in the vial moves outside the central ring when the OLS
26 is rotated through 180°, the circular vial must be adjusted.
1.
2.
1.
P
2.
1.
25
24
Summary of Contents for OLS 26
Page 1: ...Operating instructions OLS 26 en 2018...
Page 2: ...B1 B2 B3...
