User`s guide

Chapter 7 Protocol Decoding RIGOL
DS1000Z User’s Guide
7-11
 Press Format to turn the format display function on or off. When it is turned
on, the current format display of the bus will be displayed on the right of the
label display (when the bus display is turned on), and you can use Format
to set the display format of the bus.
 Press Endian to turn the endian display function on or off. When it is turned
on, the current endian display will be displayed on the right of the format
display (when the bus display is turned on), and you can use Endian to set
the bus endian.
 Press Width to turn the width display function on or off. When it s turned on,
the data width of each frame will be displayed on the right of the endian
display (when the bus display is turned on), and you can use Data to set the
data width of each frame.
 Press DataSrc to select “Trace” or “Memory” as the data source.
 Dig. Sa displays the current digital sample rate. The digital sample rate is
related to the data source currently selected. When the data source is set to
“Trace”, the digital sample rate is related to the horizontal time base; when
the data source is set to “Memory”, the digital sample rate is related to the
sample rate and memory depth.
11. The Error Expression during Decoding
End Frame Error:
Errors generated when the end frame condition is not met. When the stop bit is
set to 1, “?” error mark will be displayed if the stop bit is less than 1.
Check Error:
When check bit error is detected during the decoding, “?” error mark will be
displayed. For example, when the transmitting terminal is set to none check and
the decoder is set to odd check, the following check error occurs.
The stop bit is less than 1