RIGOL
© 2008 RIGOL Technologies, Inc.
Programming Guide for DM3000 Series
2-71
Table 2- 12
The range of NULL calculation offset
Measurement
Range
DEF
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
± 3.6e+05
0
HZ
Return Format:
:calculate:NULL:offset? returns the current NULL calculation offset.
7.
:calculate:DB
Syntax:
:calculate:DB?
Function:
The command queries dB value.
Return Format:
The query returns the current dB value.
8.
:calculate:DB:reference
Syntax:
:calculate:DB:reference?
:calculate:DB:reference
□
<value>
Function:
The command queries and sets dB reference value.
Parameters:
Name
Type
Range
Default
<value>
consecutive integer
{
<range>
|MIN|MAX|DEF}
0
Explanations: