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15.6
CAN Decoding (Option)
The oscilloscope samples the CAN signal at the specified sample position, and judges
each data point to be logic "1" or logic "0" according to the preset threshold level.
You need to specify the CAN signal type and sample position for CAN decoding.
In the decode setting menu, press Decode1 > Bus Type, then rotate the
multifunction knob
press Bus Type continuously or enable the touch screen to select it.
1. Enable or Disable the BusPress Bus Status continuously to enable or disable the
decoding function.
2. Quickly Apply CAN Trigger Settings to CAN Decoding
Press Copy Trig to copy the current CAN trigger settings and apply them to CAN
decoding function (set the corresponding CAN decoding parameters
automatically). For analog channels, the threshold level settings will also be copied.
3. Set the Source and the Threshold
- Press Source, rotate the multifunction knob
channel, and then press down the knob it. You can also press Source
continuously or enable the touch screen to select it. You can select CH1-CH4 or
D0-D15.
- When you select the analog channel (CH1-CH4), press Threshold, then rotate
the multifunction knob
threshold of the source channel. When you modify the threshold of the clock
channel, a dotted line displaying the current threshold level is displayed on the
screen. It disappears in about 2 s after you stop modifying the threshold.
4. Set the Signal
Press Settings to enter the signal setting menu.
- Set the signal type
Press Signal and rotate the multifunction knob
matches the CAN bus signal. Press down the knob to select it. You can also
press Signal continuously or enable the touch screen to select it. The available
signal types include CAN_H, CAN_L, Rx, Tx, and Diff.
- CAN_H: indicates the actual CAN_H bus signal.
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to select "CAN". Press down the knob to select it. You can also
or use the pop-up numeric keypad to set the
Protocol Decoding
to select the desired source
to select a signal type that
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