Johnson Level & Tool JLX 5700D Instruction Manual page 19

2842i_Manuals 4/27/18 2:09 PM Page 19
Symptom
Backlight turns off too
quickly
Backlight doesn't turn
off
Display inconsistent
Display not changing
with movement
Numbers inverted
Incorrect unit displayed
©2018 Johnson Level & Tool
Possible Cause
Backlight timer too
short
Backlight timer too long
Unit out of calibration
Hold feature is engaged
Hold feature active
Wrong unit selected
Solution
Adjust backlight timer
Adjust backlight timer
Calibrate unit
Press hold button to
return to normal
operation
Press hold button to
return to normal
operation
Press unit button to
change displayed unit
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