Black Box IEEE 1284 Betriebsanweisung PDF herunterladen (Seite 63)

The Black Box Toolkit Page 63 of 98

The green cursor is A and the red cursor is B. The distance between them is “M”. All

measures (in milliseconds) are shown in the status bar as well as the upper status area.

Cursors can be dragged with the mouse and positioned roughly in place with the in-built

“snap to sample” feature. Generally the green cursor is used to define the leading edge on

one line and the red the trailing edge on another.

Note: The “snap to sample” feature is only an approximation and you should always zoom

in and make precise final adjustments to each cursors position on the plot as described

below. Failure to do so may affect the precision of the measurement between the two

cursors.

Once you have roughly snapped to a sample you should do a final exact position by right

clicking and selecting “Zoom In”.

In zoom mode you can click and drag over the region you want to zoom into. This will be

indicated by white dashed vertical lines. When the mouse is released the region will be

enlarged and will fill the whole graph area. You are free to zoom in as many times as

required to get exact positioning.

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Black Box IEEE 1284 Betriebsanweisung Seite 63