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Navigating and Analyzing the Data
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marker using the Quick Select flags. Each marker maintains its position, allowing one to
jump back and forth between them. You can walk one signal for a while, jump to the other
marker and walk that signal and then jump back to the first marker and pick up where you
left off.
Left-Click to Snap Left.
Right-Click to Snap right.
Marker Tack
The button just above the Active Marker's snap button will toggle the "Tack" feature of the
marker. When the button is pressed tacking is enabled. When the Tack option is active,
snapping the marker will bring the data to the position of the '@' time reference instead of
moving the marker out of view. When tacked, the button displays in the same color as the
active marker.
You can still drag the marker (with or without auto-snap) to another point in the data, but
when you release the mouse button, the marker AND the data will be brought to the center
of the screen, ready for zooming in/out.
TACKing a marker is particularly useful for walking though a signal, edge by edge.
Normally, when you SNAP the a marker, the marker moves to the previous or next edge of
the associated signal. When the marker is tacked, the DATA is brought to the MARKER
(and the screen's '@' time reference). This allows you to walk through the data without
continually re-centering the screen. It also supports our 'bring the data to the center..THEN
zoom' paradigm.
Note that this is an intelligent TACK. It does NOT freeze the marker at the screen center. It
brings the marker to center any time you move the marker (by dragging, snapping or
setting its position). This allows the marker to stay at a specific TIME/EDGE if you scroll the
screen or jump to another marker. The next time you attempt to move the TACKed
marker, it will move relative to the place you left it, then bring it and the data to the window's
center. For example, we will assume that you have enabled the Tack option for both M1
and M2 markers. While you are moving/snapping the M1 marker, it stays as the center.
You can jump to the M2 marker and it starts tacking at the center. At any time, you could
jump back to the M1 marker (by clicking on the Quick Select flags in the upper right
corner).
4.3
4.4
Marquee Zoom
You can use your mouse to marquee an area of data to zoom in on. Click and drag to marquee a
section. When you release the mouse button, the enclosed area will pan to the center of the
screen and them zoom in as much as possible while keeping the entire area on the screen.
Toolbar Buttons
We make extensive use of the right mouse button. Most functions have naturally paired
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