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Start Bit: indicates when to output data.
Data Bit: indicates the number of data bits actually contained in each frame of data.
Check Bit: used to check whether the data are properly transmitted.
Stop Bit: indicates when to stop outputting data.
In the decode setting menu, press Decode1 > Bus Type, then rotate the
multifunction knob to select "RS232". Press down the knob to select it. You can
also press Bus Type continuously or enable the touch screen to select it.
1. Enable or Disable the Bus
Press Bus Status continuously to enable or disable the decoding function.
2. Quickly Apply RS232 Trigger Settings to RS232 Decoding
Press Copy Trig to copy the current RS232 trigger settings and apply them to
RS232 decoding function (set the corresponding RS232 decoding parameters
automatically). For source channels, copy the source channel of the trigger to the
Tx source channel of the decoding. For analog channels, the threshold level
settings will also be copied.
3. Set the Baud Rate
Three methods are available for setting the baud rate:
- Press Baud, then set the user-defined baud rate with the displayed numeric
keypad.
- Press Baud, then select the preset baud rate from the drop-down list. The
available baud rates include 50 bps, 75 bps, 110 bps, 134 bps, 150 bps, 300 bps,
and etc.
- Press Baud, then rotate the multifunction knob to adjust the baud rate at a
small step size. The step size is different for adjusting different baud rates.
4. Set the Source
Press Sources to enter the signal setting menu.
- Set the Tx source and the threshold
- Press Tx, then rotate the multifunction knob to select the desired channel,
and press down the knob to select it. You can also press Tx continuously or
enable the touch screen to select it. The available channels include OFF, CH1-
CH4, and D0-D15.
Protocol Decoding
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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