Protocol Analysis
R&S
®
Scope Rider RTH
173User Manual 1326.1578.02 ─ 12
Display Labels
Activates the last loaded label list and shows the label in the decoding results (comb
display and protocol table).
Symbolic Decode ← Display Labels
Only available for CAN protocols if DBC file is loaded.
If disabled, only the message names are shown in the comb display of the decoded
data. If enabled, the signal labels are shown in addition.
Load Label List
Selects and loads a label list file.
Label lists are protocol-specific. Their contents are described in the corresponding pro-
tocol chapters:
●
Chapter 9.2.4, "I²C Label List", on page 185
●
Chapter 9.5.4, "CAN Label List", on page 213
●
Chapter 9.6.4, "LIN Label List", on page 223
●
Chapter 9.7.4, "SENT Label List", on page 237
Show Label List
Shows the content of the label list file in a window.
Remove Label List
Disables the loaded label list.
9.1.2 Decode Results
When the configuration of the serial bus is complete, the instrument can decode the
signal. The decode results are displayed in two ways:
●
In "Scope" mode, the bus signal is shown as combs, together with the time-correla-
ted input signals. The combs show the address and data values.
●
In "Protocol" mode, detailed results are listed in a table. The table provides data
values and time information of the frames or words.
9.1.2.1 Decoded Signal in Scope Mode
To decode the serial bus
► In the "Bus" menu, enable "State".
The bus signal is shown in a comb display. The colors of the combs are protocol-
specific and described in the "Decode Results" chapters of the protocol description.
Figure 9-2: Comb display of a decoded CAN signal
Basics of Protocol Analysis
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