Product Manual

©2018 Johnson Level & Tool 19
Symptom
Backlight turns off too
quickly
Possible Cause
Backlight timer too
short
Solution
Adjust backlight timer
Backlight doesn’t turn
off
Backlight timer too long Adjust backlight timer
Display inconsistent
Unit out of calibration Calibrate unit
Display not changing
with movement
Hold feature is engaged Press hold button to
return to normal
operation
Numbers inverted
Hold feature active Press hold button to
return to normal
operation
Incorrect unit displayed
Wrong unit selected Press unit button to
change displayed unit
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