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©2018 Johnson Level & Tool - Rev. 1
Powering the Detector On/Off
Press on the detector to power the detector on or off.
Setting Volume
1. Press to change the volume. The detector defaults to low
volume. The low volume icon will appear on the LCD display.
2. Press once to turn on high volume. The high volume
indicator will appear.
3. Press a second time to turn sound off. The volume icon will
disappear from the LCD display.
4. Press a third time to return to low volume.
LCD Backlight
1. The LCD display will not be backlit after the detector is powered
on. Press and hold on the detector to turn on the LCD display
backlight.
2. Press and hold again to turn the LCD backlight off.
Setting the Unit of Measurement
1. The detector will default to the inches unit of measurement. Press
to change the unit of measurement. The selected unit of
measurement will appear at the top of the LCD display: millimeters
(mm), centimeters (cm), inches (in), or fractions of an inch (in/).
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