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©2009 Johnson Level & Tool - Rev. 1
CAL Key
The calibration key is used for re-calibrating the instrument
in both the horizontal and vertical direction. Refer to
Section 8 “Calibration” for details.
Mode Key
Push the MODE key to switch from one dimension to
another. This controls which dimension your electronic
module will measure in. Your level has the capability to measure in
Degrees, Percentage of slope, Millimeters per Meter, Inches per Foot
(Slope, Pitch) in decimal form and Inches per Foot in fractions of an
inch. A symbol on the upper right of the screen will explain which
MODE you are currently in.
Sound Key
Pressing this key will turn on the sound function and the
sound icon will appear on the LCD. Pressing the key again
will turn off the sound function and the sound icon will disappear on
the LCD. The instrument will beep once when turning the sound on
and off. The beep will sound at 0º and 90º.
Hold Key
The angle readings change in accordance with the change of
the incline. Press the key (unit will beep once) to enter into
the “hold” mode. The measured angle reading will be held. The
display will flash and the angle measurement will not change.
Pressing the key again (unit will beep once) will stop the “hold” mode
and measured value will change with the incline.
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