Language Reference
VTDL
| VTDL | Control the video trigger display lines. |
Item | Description |
|
|
Preset State | VTDL OFF |
Example
Description
100 OUTPUT 723;"VTDL ON;"
The VTDL command displays two horizontal video trigger display lines: trigger level and hysteresis oset. The trigger level line is a line that is placed at a level which corresponds to the current video trigger level. On HP 70004A displays, the line is the same color as dened for MARKERS. This is determined by the display's \Adjust Color" menu. On monochrome displays, a
The hysteresis oset line is an line that is oset from the trigger level line so as to indicate the size and polarity of video hysteresis necessary to cause a video trigger. On HP 70004A displays, the line is the same color as dened for ADVISE (UNCAL) indicators. On monochrome displays, a sparce dot line is used.
The video trigger display lines are automatically activated when video triggering is selected and when either the video trigger level command (VTL) or the video trigger hysteresis command (VTH) is active. (The video trigger level display line cannot be turned o when either VTL or VTH is active.)
The display of these lines is automatically deactivated when another trigger mode is selected (as long as neither VTL nor VTH is active). The VTDL