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Protocol Decoding
14.6
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DHO1000 User Guide
TIP
•
When you adjust the horizontal time base, the waveform displayed on the screen will also
change, and the total number of lines containing the decoding information in the event
table will also be changed.
•
The displayed decoded data information in the bus is related to the value of the
horizontal time base. Reducing the horizontal time base can help you view the detailed
information.
Export
When the oscilloscope is in "STOP" state, you can export the time and its
corresponding decoded data in the event table.
In Decode menu, click or tap Export, then the save setting interface is displayed. You
can export the data to the internal memory or the external USB storage device (only
when detected) in *.csv format. For details, refer to
Interpret the Decoded CAN Data
•
Frame ID: expressed in Hex, identified as "ID:".
•
DLC (Data Length Code): expressed in Hex, identified as "DLC:".
•
Data: Its display format is the same as that of the bus data (Hex, Dec, Bin, or
ASCII), identified as "Data:".
•
CRC (Cyclic Redundancy Check): expressed in Hex, identified as "CRC:".
•
ACK (Acknowledgement): identified as "ACK". When errors (ACK is detected to
be 1) occur, displayed as a red patch.
•
R (remote frame): identified as "R:".
•
Stuff (Bit filling error): identified as "Stuff".
LIN Decoding
The oscilloscope samples the LIN signal, and judges each data point to be logic "1" or
logic "0" according to the preset threshold level. The LIN decoding is required to
specify the LIN signal protocol version.
In the Decode menu, click or tap the drop-down button of Bus Type to select LIN,
then configure the parameters for LIN decoding.
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