ACU-RITE DRO 200M - Manual (Page 21)

Readout Operations DRO 200M
14
ENTER
ENTER
Always enter the center
of the circle as a
dimension from absolute
zero.
Bolt Hole Patterns
Calculating hole locations in a bolt hole pattern is a two-step process: defining the
bolt hole pattern and using the results.
Defining the Bolt Hole Pattern
Press the DEFINE key. The readout will
prompt you to enter information about
the bolt hole pattern.
Number of holes:
Circle center, X-axis:
Circle center, Y-axis:
Circle radius:
Starting angle of the first hole:
Ending angle of the last hole:
You can review the bolt hole pattern definition by pressing DEFINE and cycling
through the parameters with the
ENTER
key.
If the bolt hole pattern is rotated from the 3 o’clock position, enter the start angle.
ENTER 8
0 ENTER 0 . 1
7 5 ENTER 8 .
2 5 ENTER 6 .
1.000
0.875
0.625 Radius
8 THRU
HOLES 0.125
DIA
Center,
measured from
Absolute Zero
X
Y
For a full circle with the first hole at
the 3 o’clock position, like the
example above, both the start angle
and end angle can be left blank.
The maximum number
of holes is 99.
X
Y
+30°
This 8-hole bolt hole
pattern starts at 30º.
Leave the end angle
blank for a full (360º)
pattern.