Figure 8.24 Schematic Diagram Of Rs232 Protocol; Figure 8.25 Rs232 Trigger Setting Menu - Rigol HDO1000 Series User Manual

Triggering the Oscilloscope
bits. Its format is as shown in the figure below. This series oscilloscope triggers when
detecting the start frame, error frame, check error, or the specified data of the RS232
signal.
1 bit
Start Bit
Trigger Type
Click or tap the drop-down button of Type to select "RS232".
After a trigger type is selected, the current trigger setting information (including
trigger type, trigger source, and trigger level) is displayed in the trigger information
label at the top of the screen, as shown in the figure below. The information will
change based on the trigger settings.
HDO1000 User Guide
98
5~8 bits
Data Bit

Figure 8.24 Schematic Diagram of RS232 Protocol

Figure 8.25 RS232 Trigger Setting Menu

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1 bit 1~2 bits
Check Bit Stop Bit