Johnson Level & Tool Mfg. 40-6530 - Manual (Page 12)

(b) Display
1. Power symbol
2. Low battery symbol
3. Coarse/Fine detection symbol
4. Sound symbol
5. Detecting position symbol
3. Operation Guide
(a) Installation of battery
• Open the battery-box cap
• Put the 9V battery into the battery-box. Please note the polarity.
Then close the battery-box cap.
Note: Take the battery out if the instrument is not use 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.
12 ©2005 Johnson Level & Tool
40-6520_6530 4/20/05 4:12 PM Page 12