RIGOL Chapter 5 Trigger
5-48 MSO4000/DS4000 User’s Guide
also press Error Type continuously to switch the current error type. The
error types available include “Bit Fill”, “Answer Error”, “Check Error”,
“Format Error” and “Random Error”.
4. Set the signal rate
Press Baud and turn the multi-function knob to select a CAN signal rate that
matches the CAN bus signal. You can also press Baud continuously to switch
the current signal rate. The signal rates available include 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 and user.
When “User” is selected, press User and turn the multi-function knob or the
inner knob of the navigation knob to adjust the signal rate at a relatively smaller
step or turn the outer knob of the navigation knob to adjust the signal rate at a
relatively larger step. The range is from 10 kb/s to 1 Mb/s.
Note: The larger the rotation amplitude of the outer knob of the navigation
knob is, the faster the variation of the value will be. When you need to adjust the
signal rate within a relatively larger range, this function can help you quickly
finish the setting.
5. Adjust the sample position
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”, as
shown in the figure below.
Figure 5-6 Sample Position
Press SamplePoint and turn the multi-function knob to adjust the sample
1 Bit
70%
80%
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