Chapter 7 Protocol Decoding RIGOL
DS4000E User’s Guide 7-9
Press Even-Odd and turn the multi-function knob to select the desired
even-odd check mode. You can also press Even-Odd continuously to
switch the current even-odd check mode.
― Odd: the total number of “1” in the data bits and check bit is odd. For
example, send 0x55 (01010101); “1” should be added into the check
bit.
― Even: the total number of “1” in the data bits and check bit is even. For
example, send 0x55 (01010101); “0” should be added into the check
bit.
― None: no check bit during the transmission.
Stop Bit
Press Stop Bit and turn the multi-function knob to set the stop bits
after each frame of data. You can also press Stop Bit continuously to
switch the current stop bits. It can be set to 1 bit, 1.5 bits or 2 bits.
Packet
Press Packet to turn the packet display during the data transmission on or
off. When packet display is turned on, several data blocks are combined
according to the packet end. Press PacketEnd and turn the multi-function
knob to select the desired packet end. You can also press PacketEnd
continuously to switch the current packet end. It can be set to 00 (NULL),
0A (LF), 0D (CR), 20 (SP) or FF.
8. Specify the display format
Press Format and turn the multi-function knob to set the display format of
the bus data to Hex, Decimal, Binary or ASCII. You can also press Format
continuously to switch the current display format.
Note: When the event table is turned on, the decoding data in the event table
will also be displayed in the format selected here.
9. Adjust the vertical offset
Press Offset and turn the multi-function knob to adjust the vertical position
of the bus. Pressing the knob can quickly reset the vertical offset (zero).
10. View the event table
The event table displays the detailed information of the decoding in table form
to view relatively longer decoded data.
Note: You can only view the event table and export the decoded data when the