Operation – ACU-RITE Micro-Line M User Manual

Page 23

MICRO-LINE

Reference Manual

OPERATION

Example: Setting the Datum on
a Centerline
Here’s how you would establish the datum on
the centerline of the part shown:

2. Rest the indicator against any point on the

left or right side of the circle. (In graphic
1 above, we started on the left side.) Press
the

ZERO

key for the X-axis twice.

3. Move the table until the indicator rests

against the other side of the circle. Press
the

C/L

(centerline) key. Press the

key,

and

MICRO-LINE

will calculate the center-

line between the two points. The display
will show the distance from the current
position to the centerline.

5. Move the table until the indicator

rests against the other side of the
circle. Press the

C/L

(centerline)

key. Press the

key, and

MICRO-

LINE

will calculate the centerline

and display the distance from the
current position to the centerline.

Your datum is now located at the
center of the circle.

4. Now follow the same procedure for the

Y-axis. Only this time rest the indicator
against any point on the top or bottom
half of the circle. Press the

ZERO

key

twice for the Y-axis.

1. Using the

ABS/INCR

key, select the

absolute (ABS) mode. Check that the
proper measurement (inch or mm) is
selected.

Datum

MLMmanual.QXD 2/12/02 5:01 PM Page 43

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