Johnson Level & Tool Mfg. 40-6770 - Manual (Page 3)

©2010 Johnson Level & Tool 3
3. Operation Guide
(a) Installation of battery
• Open the battery door
• Put the 9V battery into the battery-box. Please note the polarity.
Then close the battery door.
Note: Take the battery out if the instrument is not used for a long time.
(b) Turn on/off
• Press the power button. When Power symbol is
displayed, the instrument is ready for coarse
detection.
• When low battery symbol is displayed, change
the battery.
• Press the power button again to turn off the
instrument.
(c) Using the clamp
1. Adjusting bolt
2. Quick release button
3. Detector connecting screw
3708H_Manuals 7/20/10 11:27 AM Page 3