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RIGOL Chapter 2 Command System

Programming Guide for DM3000

2-42

Syntax :CALCulate:NULL:OFFSet?

:CALCulate:NULL:OFFSet {

<range>

|MIN|MAX|DEF}

Function Set the offset of Null operation.

The query returns the offset of Null operation under the current

measurement function in scientific notation.

Explanation  The offset value can hold seven digits after the decimal point.

 The range of

<range>

is different for different measurement

function.

Measurement <range> Default Unit

DC voltage ±1200 0 V

AC voltage ±900 0 V

DC current ±12 0 A

AC current ±12 0 A

Resistance ±1.2e+08 0 Ω

Capacitance ±2.4e-04 0 F

Frequency 3 - 3.0e+05 0 Hz

Example Set the offset of Null operation under DC voltage measurement to

10.2010031V:

:CALCulate:NULL:OFFSet 10.2010031

The query returns: +1.02010031e+01.

9. :CALCulate:DB:STATe

Syntax :CALCulate:DB:STATe?

:CALCulate:DB:STATe {ON|OFF|1|0}

Function Enable or disable the dB operation function.

The query returns ON or OFF.

Default OFF

10.

:CALCulate:DB?

Syntax

:CALCulate:DB?

Function The query returns the dB measurement value in scientific notation, for

example, -4.14956621e+01.

Explanation dB operation function must be enabled before sending this command.

11.

:CALCulate:DB:REFErence

Syntax :CALCulate:DB:REFErence?

:CALCulate:DB:REFErence {

<range>

|MIN|MAX|DEF}

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