Descriptor Boxes - Teledyne HDO9000 Operator's Manual

Grid Indicators
These indicators appear around or on the grid to mark important points on the display. They are
matched to the color of the trace to which they apply. When multiple traces appear on the same grid,
indicators refer to the foreground trace—the one that appears on top of the others.
Axis labels mark the times/units represented by a grid division. They update dynamically as you pan the trace
or change the Vertical/Horizontal scale. Originally shown in absolute values, the labels change to show delta
from 0 (center) when the number of significant digits grows too large. The number of labels that appear on
each grid depends on the total number of grids open. To remove them, go to Display > Display Setup and
deselect Axis Labels.
Trigger Time , a small triangle along the bottom (horizontal) edge of the grid, shows the time of the trigger.
Unless Horizontal Delay is set, this indicator is at the zero (center) point of the grid. Delay time is shown at the
top right of the Timebase descriptor box.
Pre/Post-trigger Delay , a small arrow to the bottom left or right of the grid, indicates that a pre- or post-trigger
Delay has shifted the Trigger Position indicator to a point in time not displayed on the grid. All Delay values are
shown on the Timebase Descriptor Box.
Trigger Level at the right edge of the grid tracks the trigger voltage level. If you change the trigger level when
in Stop trigger mode, or in Normal or Single mode without a valid trigger, a hollow triangle of the same color
appears at the new trigger level. The trigger level indicator is not shown if the triggering channel is not dis-
played.
Zero Volts Level is located at the left edge of the grid. One appears for each open trace on the grid, sharing
the number and color of the trace.
Cursor markers appear over the grid to indicate specific voltage and time values on the waveform. Drag-and-
drop cursor markers to quickly reposition them.
Grid Intensity
You can adjust the brightness of the grid lines by going to Display > Display Setup and entering a new
Grid Intensity percentage. The higher the number, the brighter and bolder the grid lines.

Descriptor Boxes

Trace descriptor boxes appear just beneath the grid whenever a trace is turned on. They function to:
Inform—descriptors summarize the current trace settings and its activity status.
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Navigate—touch the descriptor box once to activate the trace, a second time to open the trace
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setup dialog.
Arrange—drag-and-drop descriptor boxes to move traces among grids.
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Configure—drag-and-drop descriptor boxes to change source or copy setups.
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Besides trace descriptor boxes, there are also HD, Timebase and Trigger descriptor boxes
summarizing the acquisition settings shared by all channels, which also open the corresponding
setup dialogs.
Using MAUI
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