Product Manual

31
9.5 Vertical Hairs of telescope’s reticle
Check
(1)Set-up the instrument on tripod and level it accurately.
(2)Place a point mark A from instrument 50m.
(3)Aim at the point mark A, turn the vertical tangent screw.
If point A moves along the vertical hairs, no adjustment
will be necessary. If point A moves deviation from the
vertical hairs, proceed with the following adjustment.
Adjustment
(1)Set-up the instrument and place a point mark A from
instrument 50m.
(2)Remove the eyepiece shield of telescope, turn the
vertical tangent screw, loosen four adjusting screws slightly.
Then turn the eyepiece assembly until the point A coincides
with the vertical hairs. Tighten the four adjusting screws.
(3)Repeat check procedure (3), adjustment procedure (2)
until the deviation is not existence.
A
A′
A
A′
Fig. 23
Focusing ring
Adjustment
screw
Eyepiece