
Programming Guide 2-15
ESG Family Signal Generators Programming Commands and Examples
:COMMunicate Subsystem
• With IBFull or RFR, when the receive buffer of the instrument is near overflow, the
RTS line is turned off.
• With RFR or IBFull, the instrument monitors the state of the CTS line, and if it goes
false discontinues transmitting over RS-232. This setting is not compatible with the
optional remote interface box.
This is a persistent state set to ON at the factory.
RS-232 RTS Echo
:SYSTem:COMMunicate:SERial:ECHO ON|OFF|1|0
:SYSTem:COMMunicate:SERial:ECHO?
This command controls the state of the RS-232 echo. The choices are On (1) of Off (0).
This is a persistent state set to Off at the factory.
RS-232 Timeout
:SYSTem:COMMunicate:SERial:TOUT <val>
:SYSTem:COMMunicate:SERial:TOUT?
This command sets the value for the RS-232 serial port timeout. If further input is not
received within the assigned timeout period while a SCPI command is being processed,
then the command is aborted and the input buffer is cleared.
This is a persistent state set to 60 seconds at the factory.
RS-232 XON Handshake Receive State
:SYSTem:COMMunicate:SERial:RECeive:PACE XON|NONE
:SYSTem:COMMunicate:SERial:RECeive:PACE?
This command sets XON/XOFF handshaking when the instrument is receiving data.
The choices are XON and None.
This is a persistent state, set to None at the factory.
RS-232 XON Handshake Transmit State
:SYSTem:COMMunicate:SERial:TRANsmit:PACE XON|NONE
:SYSTem:COMMunicate:SERial:TRANsmit:PACE?
This command sets XON/XOFF handshaking when the instrument is transmitting data.
The choices are XON and None.
This is a persistent state, set to None at the factory.
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