User guide

3. Operation Guide
(a) Installation of battery
Open the battery-box cap and connect the cable inside with the
two polarities of the 9V battery.
Note: Take the battery out if the detector if not used for a long time.
Put the 9V battery into the battery box and close the battery-box cap.
(b) Turn on/off
Press the on/off button. When Power symbol is
displayed, the detector is ready for coarse
detection.
When low battery symbol is displayed, change
the battery.
Press the on/off button again to turn off the
detector.
c) Using the clamp holder
1. clamp bolt
2. screw
Position the detector on the clamp
holder using the screw of the clamp
holder.
Position the clamp holder on rod
using the clamp bolt of the clamp
holder.
12 ©2010 Johnson Level & Tool - Rev. 1
3515H-All_Manuals 6/2/10 10:16 AM Page 12