Rigol DHO800 Series User Manual

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.
15.2.1 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.
Set the Rx source and the threshold
Use the same method to select the
Rx source and set the threshold. The default state
of
Rx is OFF.
TIP
The sources of
Tx and Rx cannot be set to OFF at the same time.
Polarity
Click or tap "Positive" or "Negative" in
Polarity.
• Positive: High level is logic "1" and low level is logic "0".
• Negative: High level is logic "0" and low level is logic "1".
Set the baud rate
Click or tap the drop-down button of
Baud to select the baud rate. The available
baud rates include 50 bps, 75 bps, 110 bps, 134 bps, 150 bps, and etc.
The oscilloscope allows you to self-define the baud rate. Click or tap the drop-down
button of
Baud to select "User" and then set the baud rate with the pop-up numeric
keypad.
Protocol Decoding
DHO800 User Guide
174
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Rigol DHO800 Series Specifications

General

Brand	Rigol
Model	DHO800 Series
Category	Test Equipment
Language	English