CALCulate:SCALe Subsystem
This subsystem scales ACV and DCV measurements.
Command Summary
CALCulate:SCALe:DB:REFerence
CALCulate:SCALe:DBM:REFerence
CALCulate:SCALe:FUNCtion
CALCulate:SCALe:REFerence:AUTO
CALCulate:SCALe[:STATe]
CALCulate:SCALe:DB:REFerence {<reference>|MIN|MAX|DEF}
CALCulate:SCALe:DB:REFerence? [{MIN|MAX}]
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 will be subtracted from the each voltage
measurement after the measurement is converted to dBm.
This command applies only to ACVand DCVmeasurement functions.
Parameter Typical Return
-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
l Specifying a reference value disables automatic reference selection (CALCulate:SCALe:REFerence:AUTO OFF).
l The dB relative value parameter is relative to the dBm reference set with CALCulate:SCALe:DBM:REFerence.
l The instrument sets the reference value to 0.0 with automatic reference selection enabled after a Factory Reset
(*RST), an Instrument Preset (SYSTem:PRESet), a change in math function, or a change in measurement
function.
126 Agilent Truevolt Series DMM Operating and Service Guide
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