FISCHER FISCHERSCOPE X-RAY XDLM 231, Operator'S Manual

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142 FISCHERSCOPE ® X-RAY
Programming Coordinates for Automatic Measurements (XDLM 237)
17.12 Programming Datum Points
In addition to the measurement points (individual points, lines, arrays or circular coordinates), you
can also program one or two datum points. You can then change parts, or place parts anew and
ensure that always the correct coordinates are visited, even if the specimen is not positioned 100%
at the same place.
You can program one or two datum points.
Program one datum point, if you can be certain that the placed parts cannot be turned,
ref. Fig. 17.2.
Figure 17.2:Working with one datum point (1: Datum point, X: Measurement points)
Program two datum points, if the parts can be turned as well when they are placed, ref. Fig. 17.3.
Figure 17.3:Working with two datum points (1,2: Datum points, X: Measurement points)
Before you start
1. Open the window XY(Z) coordinates (ref. Chap. 17.5 on Page 136).
2. Program the measurement points (individual points, lines, arrays or circular coordinates).
Procedure
1. From the programming field select the options 1 Datum Point or 2 Datum Points .
2. Travel to the first datum point: In the video image, use the mouse to click the desired location
or use the joystick at the front of the instrument.
3. Click Dat.1 .
The datum point is stored.
4. If you work with only one datum point, skip the steps 5 and 6.
5. Travel to the second datum point: In the video image, use the mouse to click the desired location
or use the joystick at the front of the instrument.