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Digital Communications Interface
Commands 6
6-37
UNIT:TEMPerature <unit>
Sets the system temperature unit.
Example: UNIT:TEMP C
The <unit> parameter must be either C or CEL for Celsius or F or FAR for Fahrenheit.
The *RST command sets the temperature unit to Celsius.
Communication Interface Commands
The communication interface commands are used for querying and setting serial port and
IR configuration parameters.
SYSTem:COMMunicate:IR:MODE?
Returns the IR mode setting.
Example: SYST:COMM:IR:MODE?
Response: 0
A value of 0 is returned if the IR mode is off (IR port is disabled). A value of 1 is
returned if the IR mode is in communications mode (COMM). A value of 2 is returned if
the IR port is in IRDA mode (IRDA).
SYSTem:COMMunicate:IR:MODE <num>
Sets the IR mode setting.
Example: SYST:COMM:IR:MODE 1
The <num> parameter specifies the IR mode setting. A value of 0 turns IR mode off (IR
port is disabled). A value of 1 sets the IR mode to communications mode (COMM). A
value of 2 sets the IR mode to IRDA mode (IRDA).
SYSTem:COMMunicate:SERial:BAUD? [MIN|MAX|DEF]
Returns the serial port baud rate setting.
Example: SYST:COMM:SER:BAUD?
Response: 2400
Specifying the MIN, MAX, or DEF parameter returns the minimum, maximum, or
default value respectively.
SYSTem:COMMunicate:SERial:BAUD <baud>|MIN|MAX|DEF
Sets the serial port baud rate setting.
Example: SYST:COMM:SER:BAUD 9600
The <baud> parameter can be one of the following values: 1200, 2400, 4800, 9600,
19200, 38400, or 57600. Specifying the MIN, MAX or DEF parameter sets the baud rate
to the minimum, maximum, or default value respectively. A baud rade of 57600 suspends
echo (full duplex).
SYSTem:COMMunicate:SERial:FDUPlex?
Returns the state of the serial port echo (duplex) setting.
Example: SYST:COMM:SER:FDUP?
Response: 1