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7. Offset value (H, V) (New) is obtained from the
set offset value (H, V) (Current) and the
measurement results. The offset value is a
constant value that indicates the number of
degrees of misalignment between the center of
the telescope reticle and the center of the image
sensor. If the offset value obtained from the
measurement result is significantly larger than
the set offset value, press {ESC} and resight the
target.
If the offset value (H, V) obtained from the
measurement results continues to be
significantly large after repeated checks,
adjustment is necessary. Go to step 8.
If one of the offset values exceeds the range, an
error message appears on the screen. Contact
your local dealer to perform the adjustment.
8. Press [OK] to renew the offset value.
PROCEDURE Rechecking
• Sight the prism using the Auto Pointing function during a recheck.
• "Tilt crn" should be se to "Yes (H,V)" and "Coll.crn" to "Yes" in <Obs. condition> while performing checks.
"19.1 Observation Conditions - Angle/Tilt"
1. Carefully level the instrument.
2. Install a prism at a point about 50 m in the
horizontal direction from the instrument.
3. While the Observation mode screen is displayed
and the telescope is in Face 1, sight the center of
the prism correctly and read out the horizontal
angle A1 and the vertical angle B1.
Example:
Horizontal angle A1 = 18° 34' 00"
Vertical angle B1 = 90° 30' 20"
4. While the telescope is in Face 2, sight the center
of the prism correctly and read out the horizontal
angle A2 and the vertical angle B2.
Example:
Horizontal angle A2 = 198° 34' 20"
Vertical angle B2 = 269° 30' 00"
Set offset value
Offset value obtained from measurement
141
21. CHECKS AND ADJUSTMENTS
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