Field or control Description
Label Enter a label for the bus. The default label is the selected bus type.
T
o enter label text, double-tap the field and enter label using the virtual keyboard, or tap the field and
enter text from an attached keyboard.
Bus Type Set to RS-232.
Bit Rate Sets the data bit rate.
To enter a custom bit rate, select Custom and enter the custom bit rate in the Custom Rate input box.
Source Set the signal source from available analog or digital channels.
Threshold Set the threshold level to define a logic high level.
Polarity Select the polarity (Normal or Inverted) to match the RS-232 bus being acquired. Use Normal polarity
for RS-232 signals, and Inverted polarity for RS-422, RS-485, and UART buses.
Data Bits Set the number of bits that define a data packet for your RS-232 bus.
Parity Set the parity to match the RS-232 bus being acquired.
Packet View Set to On to show decoded packet level information on the bus waveform.
End of packet
Select the appropriate end of packet value to match the RS-232 bus being acquired.
Available when Packet View = On.
Display Format Sets the waveform view to show just the decoded bus information, or the decoded bus and the logical
views of each constituent signal.
Decode Format Sets the decode format used to display the bus information. Formats are Hex, Binary, and ASCII.
Other bus types
Serial bus types, such as CAN, LIN, Ethernet, and so on, are available as purchasable options. Once purchased and installed, the new bus
types are shown in the Bus T
ype menu. The serial bus options also add corresponding bus trigger capabilities to the Trigger menu.
Use the following links to access information on specific Bus configuration menus.
Parallel Bus configuration menu on page 127
I2C serial bus configuration menu on page 123
SPI serial bus configuration menu on page 131
RS-232 serial bus menu on page 129
CAN serial bus configuration menu on page 120
LIN serial bus configuration menu on page 124
FlexRay serial bus configuration menu on page 122
Audio serial bus configuration menu on page 118
USB serial bus configuration menu on page 132
MIL-STD-1553 serial bus menu on page 126
ARINC429 serial bus menu on page 117
Menus and dialog boxes
3 Series Mixed Domain Oscilloscope Printable Help 130
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