This manual introduces the use of Trimble GL422/412 laser instrument, including switches, speed switching, temperature compensation, automatic leveling range, manual leveling, sensitivity mode and other contents.
This manual explains how to operate the Trimble GL422/412 laser level, including power‑on procedures, automatic leveling, speed switching, temperature compensation, and various operating modes such as high‑sensitivity, manual, and mask modes. It also covers pairing the remote controller with the main unit and using standby mode to conserve battery life.
Additional sections describe how to adjust slope values for the X and Y axes, the precision of slope display, and the limits for slope range and rotation speed. Safety warnings and troubleshooting tips are provided for out‑of‑range conditions and HI warnings. This manual is written in Chinese.
| Maximum rotation speed | 600 RPM |
|---|---|
| Low rotation speed | 300 RPM |
| Temperature compensation trigger | exceeds 5 °C |
| Slope adjustment range | ±9 % |
| Slope display precision | 0~+9.999 % (3‑decimal) / >10 % (2‑decimal) |
Press the speed switch button to toggle between 600 rpm and 300 rpm.
Turn both devices on, hold the right key on the main unit, then repeat the step on the remote; the LCD will display the slope and mask symbols indicating successful pairing.
Hold the manual key on the laser or controller for three seconds; all functions will resume.