Wixey WR500 ELECTRONIC DIGITAL READOUT - Manual (Page 4)

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Step 3 Understanding the buttons on your electronic digital readout.
•
IN/MM- Pushing this button
switches the display mode for measuring
inches or millimeters. The letters “in” or
“mm” are displayed to the left of the
reading. This button can be pushed at
any time and any number of times to
toggle back and forth between the
different units (15). In the “in” mode,
fractions are displayed to the right of the
reading. The fractions displayed are
using the least common denominator
with the smallest fraction being 1/32”.
The fraction is combined with the whole
number that is displayed to the left of the
decimal point. For instance a reading of
2.375 3/8 is 2-3/8”.
ON/OFF—CAL- Pushing this
button momentarily turns the readout
on or off. If the readout is in the
ABS (absolute) measuring mode and
this button is pushed and held for 3
seconds the absolute reading
becomes zero at that point (17). This
is used for calibrating the readout to
your planer. The readout can be
turned on and off or left off for long
periods of time but the calibrated
reading is always remembered.