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Chapter 5 To Trigger the Oscilloscope RIGOL
DS8000-R User Guide 5-15
Sync:
Click Sync to select the sync type.
âš« All Lines: triggers on the first line found.
âš« Line: triggers on the specified line.
When this sync type is selected, you can specify a line number. Click Line, then
use the pop-up numeric keypad or scroll with the mouse to modify the line
number. The range of the line number is related to the currently selected video
standards. The range is from 1 to 525 (NTSC), 1 to 625 (PAL/SECAM), 1 to 525
(480p), 1 to 625 (576p), 1 to 750 (720p), and 1 to 1125 (1080p/1080i).
âš« Odd: triggers on the rising edge of the first ramp pulse in the odd field. It is only
available when the video standard is set to "NTSC", "PAL/SECAM", or "1080i".
âš« Even: triggers on the rising edge of the first ramp pulse in the even field. It is
only available when the video standard is set to "NTSC", "PAL/SECAM", or
"1080i".
Noise Rejection:
Set the trigger parameter (noise rejection) under this trigger type. For details, refer
to descriptions in "Noise Rejection".
Trigger Mode:
For details, refer to descriptions in "Trigger Mode".
Trigger Setting:
For details, refer to descriptions in "Noise Rejection".
Trigger Level:
For details, refer to descriptions in "Trigger Level".
Tip
âš« For a better observation of the waveform details in the video signal, you can
set a larger memory depth first.
âš« In the trigger debugging process of video signals, the frequency in different
part of the signal can be reflected by a different brightness, as RIGOL digital
oscilloscope provides the intensity graded color display function. Experienced
users can quickly judge the signal quality and discover abnormalities during
the debugging process.
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