Johnson Level & Tool Mfg. 40-6522 - Manual (Page 15)

©2010 Johnson Level & Tool - Rev. 1 15
4. Operating Instructions
Power On
Press the power key to turn the unit on. The
LCD display will illuminate all the indicator
segments for 0.5 second (Fig.2). When the
indicator segments are no longer
illuminated, the detector is ready for use.
Note: The LCD display will still have the
power, detection and sound indicators illuminated (Fig. 3).
Fine/Coarse accuracy key
Power on and press the
fine/coarse accuracy
key, the unit will cycle
between three accuracy
options: fine, coarse 1,
coarse 2. The accuracy
symbol displayed on the LCD will change.
Volume Key
Power on and press the volume key, the unit will cycle between a
high sound, low sound and
mute. The sound symbol
displayed on the LCD will
change accordingly.
Note: There will be two beeps when turning the unit on and off.
There will be one beep when changing functions.
Figure 2 Figure 3
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