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RIGOL Chapter 11 Protocol Decoding
11-26 DS8000-R User Guide
Click Settings to enter the signal setting menu.
âš« Set the signal type
Click Signal to select a signal type that matches the CAN bus signal. The
available signal types include CAN_H, CAN_L, Rx, Tx, and Diff.
➢ CAN_H: indicates the actual CAN_H bus signal.
➢ CAN_L: indicates the actual CAN_L bus signal.
➢ Rx: indicates the Receive signal from the CAN bus transceiver.
➢ Tx: indicates the Transmit signal from the CAN bus transceiver.
➢ Diff: The CAN differential bus signals connected to an analog source
channel by using a differential probe. Connect the probe's positive lead
to the CAN_H bus signal and connect the negative lead to the CAN_L
bus signal.
âš« Specify the standard signal rate
The following setting methods are available for baud rate:
➢ Click Baud, then set the user-defined baud rate with the displayed
numeric keypad. You can also adjust the baud rate by scrolling with the
mouse.
➢ Click Baud, then select the preset baud rate from the available options.
The available baud rates include 10 kbps, 20 kbps, 33.3 kbps, 50 kbps,
and etc.
âš« Sample Position:
Sample position is a point within a bit’s time. The oscilloscope samples the
bit level at this point. The sample position is represented by the proportion
of "the time from the start of the bit to the sample position" to the "bit time",
as shown in the figure below.
Figure 11-10 Sample Position
Click Sample Position, then use the pop-up numeric keypad or scroll with
the mouse to set the sample position. The settable range is from 10% to
90%.
5. Display-related Setting
Click Display to enter the display setting menu.
One Bit
60%
70%
80%
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