R&S NRP Remote Control - Commands
1144.1400.12 6.29 E-3
CALibration
Table 6-4: Commands of the CALibration system
Command Parameter Unit Remark
CALibration[1..4|:ALL]
:ZERO
:AUTO[?]
ON|OFF|ONCE
:DATA[?] <block_data>
CALibration[1..4|:ALL]:ZERO:AUTO[?] ON | OFF | ONCE
The CALibration[1..4]:ZERO:AUTO ONCE command performs zeroing using the signal at the
sensor input. The sensor must be disconnected from all power sources. If the signal at the input
considerably deviates from 0 W, an error message is issued and the command is aborted (SCPI error -
231, "Data questionable; ZERO ERROR").
When used as a setting command, CAL[1..4]:ZERO:AUTO accepts only the parameter ONCE (start of
zeroing); OFF is ignored and ON is not accepted. A query returns ON if a calibration is running, in all
other cases OFF.
The command is overlapping, i.e. other commands can be sent to the R&S NRP while one or more
calibrations are running.
Zeroing is recommended if
• the temperature has varied by more than about 5 °C,
• the sensor has been replaced,
• no zeroing was performed in the last 24 hours,
• signals of very low power are to be measured, for instance, if the expected measured value is less
than 10 dB above the lower measurement range limit.
*RST value: OFF
Error messages:
-224
"Illegal parameter value": The transfer parameter is a numeric value unequal 0 (corresponds to
OFF).
CALibration[1..4|:ALL]:DATA[?] <block_data>
This command is used to read and write binary calibration data sets for the sensors.
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