Johnson Level & Tool Mfg. 40-6510 - Manual (Page 15)

©2007 Johnson Level & Tool 15
(b) Display
1. Power symbol
2. Low battery symbol
3. Coarse/Fine detection symbol
4. Horn symbol
5. Detecting position symbol
3. Operation Guide
(a) Installation of battery
• Open the battery-box cap and connect the cords inside with the
two polarities of the 9V battery.
Note: Take the battery out if the instrument 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 instrument is ready for coarse
detection.
• When low battery symbol is displayed, change
the battery.
• Press the on/off button again to turn off the
instrument.