4. Buzzer ON/OFF button: turns the buzzer on/off.
5. Coarse/Fine detection button: coarsely detects the laser position or accurately
detects the laser position.
6. Lineation arrow: helps in marking a target line.
7. Lineation slot: helps in marking a target line
8. Distance indicator: shows that the lineation slot is 2 inches (50mm) to the top of
the detector.
9. 1/4’ Mounting hole: for installation on the mounting base.
10. Battery compartment: for holding a “6LR61” 9V battery
To Change/Install Battery for the Detector
1. Open the battery compartment cover.
2. Install one “6LR61” 9V battery (Fig. 17). Make sure the polarity (+/-) is
correct!
3. Close the battery compartment cover.
Locating the Green Laser Line with the Detector
NOTE:
Always keep the instrument stable and level when detecting.
1. Press the
button to turn the detector on. The LCD symbols will
Fig. 17