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• Stop Bit: indicates when to stop outputting data.
In the Decode menu, click or tap the drop-down button of Bus Type to select RS232,
then configure the parameters for RS232 decoding.
Figure 14.5 RS232 Decoding Menu
Bus Status
Click or tap the Bus Status on/off switch to enable or disable the bus decoding.
Quickly Apply Trigger Settings to Decoding
Copy trig indicates applying the trigger settings to the specified decoding setting.
Click or tap
Copy Trig to apply the trigger settings to the specified decoding setting.
14.2.1 Source Setting
Set the Tx source and the threshold
Click or tap drop-down button of Tx to select the desired source. The options include
CH1-CH4 and OFF.
When the source is set to CH1-CH4, you can click or tap the input field of Threshold,
and then use the pop-up numeric keypad to set the threshold of Tx source. You can
also use the corresponding multipurpose knob to set the value. The range of the
threshold is related to the current vertical scale and offset.
When you modify the threshold of the Tx source channel, a dotted line displaying the
current threshold level is displayed on the screen. It disappears in about 2 s after you
stop modifying the threshold.
Protocol Decoding
DHO1000 User Guide
180
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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