Sokkia CX Series Operator's Manual page 278

35. CHECKS AND ADJUSTMENTS
PROCEDURE Check 2: Vertical and horizontal reticle line
positions
• Perform the check procedure under slightly hazy and weakly scintillating
conditions.
1. Install a target at a point about
100m in the horizontal direction
from the CX.
2. Level the instrument carefully, turn
on the instrument's power.
3. While the OBS mode screen is
displayed and the telescope is in
face left, sight the center of the
target 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
right, sight the center of the target
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"
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