Vertical Reticle - Pentax R-422VN Instruction Manual

• Tighten the screws equally after the above adjustment.

11.3 Vertical reticle

[Checks]
① Set the instrument up the tripod and carefully level it.
② Sight the target Point A with telescope.
③ Using the telescope fine adjustment screws, move Point A to the edge of the field of view
by screw (Point A').
④ No adjustment is necessary if Point A moves along the vertical line of the reticle.
[Adjustments]
① If Point A is off from the vertical line of the reticle, first remove the eyepiece cover.
② Using the adjusting pin, loosen the four reticle adjustment screws slightly by the same
amount, then rotate the reticle line around the sight axis and align the vertical line of the
sight axis with Point A'.
③ Tighten the reticle adjustment screws again by the same amount, and repeat the check
to make sure the adjustment is correct.
54
Circular vial adj. screw
Vertical line
A
A'
Circular vial
Line of sight axis
Reticle adjusting screws