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10 CHECKS AND ADJUSTMENTS
10-2 Circular Vial
Checks
q Adjust by the electronic vial beforehand.
w Confirm the position of the bubble of the Circular vial.
At this time, it is not necessary to adjust if the bubble is at the center of the
circle.
Adjustments
When the bubble of the Circular vial comes off from the center according to
check procedure w, it is necessary to adjust.
Turn the bubble adjustment screw with a hex wrench (L type wrench) and put
the bubble in the center of the circle.
[Only the detaching type model]
Turn the bubble adjustment screws with the reticle adjustment pin and put the
bubble in the center of the circle.
● Tighten the screws equally after the above adjustment.
Circular vial
Circular vial adj. screw
Circular vial adj. screw
PENTAX R-300 (p65-88) 10/30/02 11:11 AM Page 67