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SCPI Programming Reference
CALCulate:SCALe Subsystem
This subsystem controls math scaling.
Command Summary
CALCulate:SCALe:DB:REFerence
CALCulate:SCALe:DBM:REFerence
CALCulate:SCALe:FUNCtion
CALCulate:SCALe:GAIN
CALCulate:SCALe:OFFSet
CALCulate:SCALe:REFerence
CALCulate:SCALe:REFerence:AUTO
CALCulate:SCALe[:STATe]
CALCulate:SCALe:UNIT
CALCulate:SCALe:UNIT:STATe
CALCulate:SCALe:DB:REFerence {<reference>|MIN|MAX|DEF}
CALCulate:SCALe:DB:REFerence? [{MIN|MAX|DEF}]
Stores a relative value in the multimeter's dB Relative Register, which is used for the dB function in
CALCulate:SCALe:FUNCtion. When the dB function is enabled, this value is subtracted from each voltage
measurement after the measurement is converted to dBm.
Parameter
-200.0 dBm to +200.0 dBm. Default: 0. +3.00000000E+02
Enable dB scaling with a -10 dB reference and a 300 Ω dBm reference resistance:
CALC:SCAL:DBM:REF 300
CALC:SCAL:DB:REF -10.0
CALC:SCAL:FUNC DB
CALC:SCAL:STAT ON
Specifying a reference value disables automatic reference selection
l
late:SCALe:REFerence:AUTO
The dB relative value parameter is relative to the dBm reference resistance set with
l
late:SCALe:DBM:REFerence.
The instrument sets the reference value to 0.0 with automatic reference selection enabled after a
l
Factory Reset (*RST), an Instrument Preset (SYSTem:PRESet), or a change in measurement function.
222
Typical Return
OFF).
(CALCu-
Keysight Truevolt Series Operating and Service Guide
CALCu-
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