Pattern Trigger (Ds1000D Series) - Rigol DS1000D series User Manual

Pattern Trigger (DS1000D Series)

Pattern trigger identifies trigger terms by checking appointed code. The code is
logical relationship of all channels, with high (H), low (L) and ignore(X).
Figure 2- 59 Table 2- 35 The Pattern Trigger menu
Menu
Select
Code
Sweep
Set Up
Key Points:
H (High): Logic high: voltage is higher than threshold setting.
L (Low): Logic low: voltage is lower than threshold setting.
X (Ignore): Don't care. If all the channels are ignored, the oscilloscope won't be
triggered.
Rising Edge (
rising edge or falling edge. When the edge is appointed, if code settings of other
channels are all true, the oscilloscope will be triggered on the appointed edge. If no
edge is appointed, the oscilloscope will be triggered on the last edge whose code is
true.
© 2008 RIGOL Technologies, Inc.
Settings
D15-D0
H
L
X
Auto
Normal
Single
) or Falling Edge (
User's Guide for DS1000E, DS1000D Series
Comments
Choose digital channel for Pattern trigger
High
Low
Ignore
Rising Edge
Falling Edge
Acquire waveform even no trigger occurred
Acquire waveform when trigger occurred
When trigger occurs, acquire one waveform
and then stop
To go to set up menu, see table 2-40
): Set the code as an edge of the channel,
RIGOL
2-51