- Slightly unscrew (anticlockwise) the clamp screw (6) located at the front of the base's column. Then draw
out the column to the length you require.
- Then tighten (clockwise) the clamp screw (6), taking care that it is correctly inserted into one of the holes
provided for this purpose. You can do this simply by positioning the upper hole by the locating mark
provided for this purpose.
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