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Chapter 5 To Trigger the Oscilloscope RIGOL
MSO2000A/DS2000A User’s Guide 5-51
method mentioned above. The range is from 0 to 2047 (standard ID format) or
0 to 536870911 (expanded ID format).
Frame Error: after selecting this type, press Error Type to select to trigger on
the “Bit Fill”, “Answer Error”, “Check Error”, “Format Error” or “Random Error”.
Baud:
Press Baud to set the CAN baud to match the CAN bus signal and the values
available are 10 kb/s (default), 20 kb/ s, 33.3 kb/s, 50 kb/ s, 62.5 kb/s, 83.3 kb/s, 100
kb/s, 125 kb/s, 250 kb/s, 500 kb/ s, 800 kb/s, 1 Mb/ s or user. After “User” is selected,
press User and use or the inner knob of the navigation knob to modify the baud
rate at a relatively smaller step or turn the outer knob of the navigation knob to
adjust the baud rate at a relatively larger step. The adjustable range is from 10 kb/ s
to 1 Mb/ s.
Sample Point:
Sample point is a point within a bit’s time. The oscilloscope samples the bit level at
this point. The sample position is represented by the percentage of “the time from
the start of the bit’s time to the sample point time” in the “bit’s time”.
Press SamplePoint and use to modify the parameter with a step of 1% and the
range is from 5% to 95% .
Figure 5-18 Sample Position
Trigger Mode:
Press Sweep to open the trigger mode list and select “Auto”, “Normal” or ”Single”.
For the details, please refer to “
Trigger Mode”. The corresponding status light of
the current trigger mode turns on.
Trigger Setting:
Press Setting to set the trigger parameters (noise rejection) under this trigger type.
Note: Noise rejection is grayed out and disabled automatically when the signal
source is set to any channel of D0-D15.
1Bit
60%
70%
80%
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