Figure 3-5: Signal Definition Overlay - Tektronix DAS NT Option 04 User Manual

Reference
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Figure 3–5: Signal Definition Overlay
The Signal Definition overlay has the following key fields and features:
Signal Name field. Use this field to enter the name of a signal you want to
define. Select function key F7: ADD SIGNAL to change this field to the
fill-in mode and enter a name of your choice. If you do not enter a name, a
default name (for example, Signal-1) will appear when you press the Return
key. Click on the right mouse button, while pointing at this field, to view a
list of all currently defined signals.
Type field. This field specifies the type (that is, speed) of signal you define.
The choices are Normal and High-Speed. (The High-Speed selection is
useful for applications that require high-speed communication lines.)
Line field. This field assigns a signal to a specific event line (1-16). Modules
in different clusters can use the same event line, as long as the line is
specified by number in this field for each cluster. This field only appears
when you select Normal in the Type field since high speed events can only
be internal. Selections are 1, 2, 3, . . . 16, and Don't Care (default).
DAS System User Manual