Calculate:db:state, Calculate:db, Calculate:db:reference – RIGOL M300 User Manual
Page 54

RIGOL
Programming Guide for DM3000
2-42
Syntax
:CALCulate:NULL:OFFSet?
:CALCulate:NULL:OFFSet {
|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
is different for different measurement
function.
Measurement
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 {
|MIN|MAX|DEF}