ACU-RITE VRO 300M - Manual (Page 15)

Readout Operations VRO 300M
8
Readout Operations
Clear Key
Use the CLEAR key to erase digits that you entered by mistake, or to take you
back if you’ve pressed an incorrect function key.
Absolute and Incremental Displays
Absolute Display
Shows the distance from your current position to absolute zero.
Incremental Display
Shows the distance from your current position to incremental zero. An
incremental zero is set when you preset a dimension, or when you zero the
incremental display.
You can always see both absolute and incremental positions at the same
time.
1.625
X -0.625 INC
-0.625
The drill is 0.625 on
the negative side of
the incremental zero.
ABS
INCR
X 1.000 ABS
Incremental zero: the
incremental display
will read 0.000 when
the drill is here.
Absolute
zero.
1.000
1.625
X 1.625 ABS
The drill is positioned at
1.625 ABS. Absolute Zero,
also called datum
or Workpiece
Zero
Large display shows
absolute position
Large display shows
incremental position
ABS
INCR