Rigol MSO4000 Series User Manual page 259

Chapter 8 Protocol Decoding
3. Specify the source channel
4. Specify the signal type
5. Specify the signal rate
MSO4000/DS4000 User's Guide
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Press Source; turn the multi-function knob
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
of the source channel. Pressing the multi-function knob
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.
Press Signal Type and turn the multi-function knob
type that matches the CAN bus signal. You can also press Signal Type
continuously to switch the current signal type.
Rx: the receiving signal from the CAN signal line.

Tx: the transmitting signal from the CAN signal line.

CAN_H: the actual CAN_H bus signal.

CAN_L: the actual CAN_L bus signal.

Differential: the CAN differential bus signal connected to an analog channel

using a differential probe. The positive lead of the differential probe
connects the CAN_H bus signal and the negative lead connects the CAN_L
bus signal.
Press Baud and turn the multi-function knob
matches the CAN bus signal. The default is 500 kb/s. You can also press Baud
continuously to switch the current signal rate. You can select a preset signal rate
or "User".
The preset signal rates include 100 kb/s, 125 kb/s, 250 kb/s, 400 kb/s, 500

kb/s, 800 kb/s and 1 Mb/s.
When "User" is selected, press Setup 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
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15
10 20
5 25
0 30
to select the desired source
to adjust the threshold (the default is 0 V)
to select the signal
to select the signal rate that
RIGOL
can quickly reset
8-27
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