Note:
b. Revolve the instrument 180 or 200g around the vertical axis,
and check the center mark. If it is coincided to the point, then
further adjustment is not required. Otherwise, repeat the
adjustment.
o
To move center mark, loosen adjustment screw on one side
and tighten adjustment screw on the other side according to
the loosened number. (Loosen: counter clock-wise; Tighten:
clock-wise. Rotate screws as little as possible.)
12. Tribrach
It is convenient to detach and attach instrument by loosening
or tightening the locking lever.
Detachment
a. Turn locking lever 180 in counter clock-wise direction.
b. Lift the instrument up with one hand carrying handle and
another hand holding the tribrach.
Attachment
a. Match the instrument base with the correct groove before
putting the instrument on the board.
b. Tighten the locking lever.
o
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instrument base
groove
locking lever