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Sets whether DTR (data-terminal-ready) flow control is used.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
SerialPort 3.4 Yes Yes Yes No No
MBS( "SerialPort.SetDTR"; PortReference; Value )   More


Parameter Description Example value
PortReference The reference number of the port. You get this number from SerialPort.Open when you open the port. $port
Value 0 to turn off, 1 to turn on. 1


Returns OK or error message.


Sets whether DTR (data-terminal-ready) flow control is used.


Turn DTR mode on:

MBS( "SerialPort.SetDTR"; $SerialPort; 1 )

See also

Created 18th August 2014, last changed 24th February 2018

SerialPort.SetDSR   -   SerialPort.SetDataAvailableEvaluate

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