Johnson-level-tool-mfg 40-6004 Manual de usuario descargar pdf (Pagina 21)

Tips from the Pro’s

Take more than one measurement in critical situations where accuracy

needs to be greater than an estimation measurement. Take 3-4

measurements from the same position to compare consistency of each

reading. Prior to important measurements verify that the instrument is

in proper working order and take sample measurements to of a known

distance to verify accuracy.

To accurately measure from the rear of the instrument, use a scrap

piece of drywall or other flat material. Extend the material off the

corner and butt the LDM up to the material. Then take measurement.

Place a white sheet of paper over the targeted measuring surface if

error message Err02 occurs to improve the return signal.

6833H-English_Manuals 4/2/13 1:26 PM Page 21

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Johnson-level-tool-mfg 40-6004 Manual de usuario Pagina 21