RIGOL Chapter 8 Protocol Decoding
8-32 MSO4000/DS4000 User’s Guide
3. Set the source channel
Press Source; turn the multi-function knob to select the desired source
channel and press the knob. You can also press Source continuously to switch
the current source channel. You can select D0 to D15 or CH1 to CH4.
When an analog channel (CH1 to CH4) is selected, you can press Threshold
and turn the multi-function knob
to adjust the threshold (the default is 0 V)
of the source channel. Pressing the multi-function knob
can quickly reset
the threshold of the channel to 0 V.
When modifying the threshold of the source channel, a dotted line displaying the
current threshold level is displayed on the screen (in the same color as the
channel). It disappears in about 2 s after you stop modifying the threshold.
4. Specify the signal path
Press Signal Path to select the signal path (“A” or “B”) that matches the actual
FlexRay bus signal.
5. Specify the signal type
Press Signal Type and turn the multi-function knob to select the signal
type that matches the actual FlexRay bus signal. You can also press Signal
Type continuously to switch the current signal type. The signal types available
include BP, BM and RX/TX.
6. Specify the signal rate
Press Baud and turn the multi-function knob to select the signal rate that
matches the FlexRay bus signal. You can also press Baud continuously to switch
the current signal rate.The signal rates available include 2.5 Mb/s, 5 Mb/s and 10
Mb/s. The default is 10 Mb/s.
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