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Remote Manual SIGLENT

SDM3055/SDM3055A 26

2.4 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]

2.4.1 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.

Note: This command applies only to ACV and DCV measurement functions.

Parameter Typical Return

-200.0 dBm to +200.0 dBm, default 0

+5.00000000E+02

Enable dB scaling with a -10 dB reference reference resistance:

CALC:SCAL:DB:REF -10.0

CALC:SCAL:FUNC DB

CALC:SCAL:STAT ON

 Specifying a reference value disables automatic reference selection

(CALCulate:SCALe:REFerence:AUTO OFF).

 The dB relative value parameter is relative to the dBm reference set with

CALCulate:SCALe:DBM:REFerence.

 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.

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SIGLENT SDM3055 Bedienungsanleitung Seite 27