Pentax R-315(N) - Manual (Page 70)

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10 CHECKS AND ADJUSTMENTS
10-3 Vertical Reticle
Checks
q Set the instrument up the tripod and carefully level it.
w Sight the target Point A with telescope.
e Using the telescope fine adjustment screws, move Point A to the edge of the
field of view by screw (point A’).
r No adjustment is necessary if Point A moves along the vertical line of the
reticle.
Adjustments
q If Point A is off from the vertical line of the reticle, first remove the eyepiece
cover.
w Using the adjusting pin, loosen the four reticle adjustment screws slightly
loosening each screw by the same amount, and then rotate the reticle line
around the sight axis and align the vertical line of the sight axis with Point A’.
e Tighten the reticle adjustment screws again by the same amount, and repeat
the check to make sure the adjustment is correct.
Vertical line Line of sight axis
Reticle adjusting screws
PENTAX R-300 (p65-88) 10/30/02 11:11 AM Page 68