Topcon OS-101 User Manual

22. CHECKS AND ADJUSTMENTS
134
6. While the telescope is in Face 2, sight the center
of the target correctly and press [OK].
7. Press [YES] to set the constant.
• Press [NO] to discard the data and return to the
screen in step 5.
.
With this option you can check the perpendicularity of the reticle and the horizontal/vertical positions
of reticle lines.

• Check the telescope reticle by sighting the target.
PROCEDURE Check 1: Perpendicularity of the reticle to the horizontal axis
1. Carefully level the instrument.
2. Align a clearly visible target (the edge of a roof for
example) on point A of the reticle line.
22.4 Reticle

Topcon OS-101 Specifications

General

Brand	Topcon
Model	OS-101
Category	Measuring Instruments
Language	English