RIGOL MSO/DS2000A Series - Manual (Page 185)

Chapter 8 Protocol Decoding RIGOL
MSO2000A/DS2000A User’s Guide 8-7
5. Baud Rate Setting
Press Baud to select the desired baud rate and the default is 9600 bps. If “User”
is selected, press Setup and rotate or the navigation knob to set a desired
baud rate. The range is from 50 to 20000000.
6. Data Packet Setting
As mentioned before, in RS232, you need to set the start bit, data bits, check bit
(optional) and stop bit of each frame of data. “Start Bit” is specified by the
“Polarity Setting”. The setting methods of other parameters are as follows.
 Press Data Bits to set the data width of each frame. It can be set to 5, 6, 7,
8 or 9 and the default is 8.
 Press Stop Bit to set the stop bit after each frame of data. It can be set to
1 bit, 1.5 bit or 2 bit.
 Press Even-Odd to set the even-odd check mode of the data transmission.
It can be set to None, Odd or Even.
 Press Packet to enable or disable the packet end. When packet end is
enabled, several data blocks are combined according to the packet end.
 Press PacketEnd to set the packet end during data transmission and it can
be set to 00 (NULL), 0A (LF), 0D (CR), 20 (SP) or FF.
7. Display-related Setting
Press Format to set the display format of the bus to Hex, Decimal, Binary or
ASCII.
Press Offset and use
to adjust the vertical display position of the bus.
Press BusStatus to turn the bus display on or off.
8. Event Table
The event table displays the decoded data, the corresponding line number, time
and error information on TX and RX data lines in table format. It can be used to
observe relatively longer decoded data.
Note: When the RX channel is turned off, the information of this data line will
not be displayed in the event table.
Press Event Table  Event Table to select “ON” (This operation is only
available when BusStatus is set to “ON”) to enter the event table interface as
shown in the figure below.