How to use

Initial Setting
Lens magnification rate data is not available. Please calibrate before start measuring.

How to measure
1. Set the DISTANCE between the object and surveyor
2. Set the width between white lines by width adjusting slide bar (at right side), and zoom bar (at bottom)
3. Read DIAMETER

How to calibrate
1. Find an object of which size and distance known
2. Set DISTANCE and DIAMETER (size)
3. Set the width between white lines by width adjusting slide bar (at right side), and zoom bar (at bottom)
4. Tap SET button, then lens magnification rate is recorded, and move to measurement mode
5. Re-calibrating available anytime from MENU-RECALIBRATE

Height angle adjustment
Diameter data is automatically adjusted in accordance with height view angle. Height angle adjustment is disabled during calibration mode.