Rigol MSO8154A Rigol MSO8000A series user guide

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• Check Error: triggers when a check error is detected.

• Data: triggers on the last bit of the preset data bits. Press Data, then rotate the

multifunction knob or use the pop-up numeric keypad to set the data of

RS232 trigger.

Data Bits:

Indicate the number of bits per frame. Press More > Data Bits, then rotate the

multifunction knob to select the desired data bits, and then press down the knob

to select it. You can also press Data Bits continuously or enable the touch screen to

select it. The available data bits include "5 Bits", "6 Bits", "7 Bits", and "8 Bits".

Stop Bit:

Indicates when to stop outputting data. Press More > Stop Bit, then rotate the

multifunction knob to select the desired stop bit, and then press down the knob to

select it. You can also press Stop Bit continuously or enable the touch screen to select

it. The available stop bits include 1 Bit, 1.5 Bits, and 2 Bits.

Parity:

Used to verify whether data are properly transmitted. Press More > Parity, and rotate

the multifunction knob to select the desired parity mode. Then press down the

knob to select it. You can also press Parity continuously or enable the touch screen to

select it. The available parity modes include "None", "Even", and "Odd".

Polarity

Press Polarity continuously to select the polarity of data transmission. It can be set to

"Pos" or "Neg" .

Baud Rate:

Sets the baud rate of data transmission (i.g. specifies a clock frequency). Three setting

methods are available for baud rate:

• Press Baud Rate, then set the user-defined baud rate with the displayed numeric

keypad.

• Press Baud Rate, 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 Rate, then rotate the multifunction knob to adjust the baud rate

at a small step of 1 bps.

Trigger Mode:

To Trigger the Oscilloscope

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Rigol MSO8154A oscilloscope