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• CYC (Cycle Number): expressed in Hex, identified as "CYC:".
• Data: Its display format is the same as that of the bus data (Hex, Dec, Bin, or
ASCII), identified as "Data:".
• TCRC (Tail Cyclic Redundancy Check): expressed in Hex, identified as "TCRC:".
When error occurs, it is displayed as a red patch.
15.9 1553B Decoding (Optional)
The oscilloscope samples the 1553B signal, and judges each data point to be logic "1"
or logic "0" according to the preset threshold level. 1553B decoding is required to
specify the data channel source and the threshold.
In the Decode menu, click or tap the drop-down button of Bus Type to select 1553B,
then configure the parameters for 1553B decoding.
Figure 15.23 1553B Decoding Menu
Bus Status
Click or tap the Bus Status on/off switch to enable or disable the bus decoding.
Quickly Apply Trigger Settings to Decoding
Copy trig indicates applying the trigger settings to the specified decoding setting.
Click or tap Copy Trig to apply the trigger settings to the specified decoding setting.
Protocol Decoding
DHO4000 User Guide
224
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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