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10.5 Vertical 0 point error
Be sure to follow check procedures mentioned below after making adjustments on reticle
and perpendicularity of line of sight to horizontal axis.
[Checks]
Set up the instrument and turn the power on.
Sight the telescope at any reference target A at Normal state.Read the vertical angle (y).
Turn the telescope and rotate the alidade. Sight the same target A again at Back state
and read the vertical angle R.
Ify+R = 360°, no further adjustment is necessary.
[Adjustments]
If the deviation d (y+ R - 360° ) is wide, contact your local dealer.
10.6 Laser plummet
[Checks]
Set the instrument on the tripod, and place a piece of white paper with a cross drawn
on it right under the instrument.
Press the [LASER] key, and move the paper so that the intersecting point of the cross
comes to the center of the laser mark.
Rotate the instrument around the vertical axis, and observe the center mark position
against the intersecting point of the cross at each 90° rotation.
If the laser mark always coincides with the intersecting point, no adjustment is
necessary.
[Adjustments]
When a center part where a cross intersection and the laser mark look the brightest shifts
by 0.8mm or more (at the instrument height 1.5m), it is necessary to adjust it.
A repair engineer does this adjustment. Please contact the PENTAX dealer.
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