Calculated Industries 6270 User Guide - Manual (Page 36)

MEASURING 3-POINT CIRCLES
OPERATING SEQUENCE
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1. Press the [ON/CLEAR] key twice to clear the display.
Press the [ARC/CIRC]* key twice to enter Circle Mode.
Place the crosshairs over the start point of the Circle and
press the [MEASURE] key.
2. Move to the second point of the Circle and press the
[MEASURE] key.
3. Move to the third point of the Circle
and press the [MEASURE] key.
* You must identify the measurement as a Circle
before you start measuring.
Note: The second point can be any point along the Arc of the Circle
between the start point and the third point.
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