Target System - Sokkia CX-52 Operator's Manual

34. STANDARD EQUIPMENT AND OPTIONAL ACCESSORIES

34.3 Target system

The following are all special accessories (sold separately).

• When using a reflecting prism equipped with a target for distance and angle
measurements, be sure to direct the reflective prism correctly and sight the
center of the prism target accurately.
• Each reflective prism has its own prism constant value. When changing prisms,
be sure to change the prism constant correction value.

Reflecting Prism System
(AP Series)
Use an appropriate system for CX.
The figure on the right is an example.
Because all reflecting prisms and
accessories have standardized
screws, it is possible to combine
these prisms, accessories, etc.
according to your objectives.

2-point target (2RT500-K)
This target is used for two-distance
offset measurement.

Instrument height adaptor
(AP41)
This device is used to adjust the
height of the target.
• Make sure that the instrument height
"236" (mm) is displayed in the
instrument height adjustment
window.
1. Install the tribrach to the
instrument height adaptor.
2. Level the instrument and check
the position of the bubble of the
plate level.
260
Height
adjustment
window