Greenlee Textron GVIS 300 Manual De Instrucciones página 26

GVIS 300 • GVIS 400 • GPAD 250
Figure 20. Sample Obstruction Overlay
Grading Circles
To show or hide grading circles, click the Show/Hide Grading button. The grading circles (zones) are based on
the IEC 61300-3-35 specification.
Using the grading circles provided as a guide, the technician can judge and mark a fiber end face image Pass or
Fail by clicking the appropriate button. If no grading is desired, press the None button.
Figure 21. None/Pass/Fail and Show/Hide Buttons
The grading circles can be centered on the fiber core by pointing the mouse at core center and right clicking or
by clicking the Locate button. They also can be nudged left, right, up, or down by first clicking the fiber image
then using the arrow keys on the keyboard. Press and hold the Shift key and press the arrow keys to move the
grading circles by ten pixels.
The grading circles can be resized by first clicking the fiber image and then using the mouse wheel or pressing
and holding the Ctrl key and pressing the up or down arrows on the keyboard.
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Greenlee / A Textron Company
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