Channel<N>:Coupling; Channel<N>:Cstart - Rigol DS4000E Series Programming Manual

Chapter 2 Command System
Remarks
20M|100M: enables the bandwidth limit and sets the bandwidth limit to 20 MHz or 100 MHz. The

high-frequency components that are greater than 20 MHz or 100 MHz in the signal under test will be
attenuated.
OFF: disables the bandwidth limit function. The high-frequency components in the signal under test

can pass through the channel.
Return Format
The query returns 20M, 100M, or OFF.
:CHANnel<n>:COUPling
Syntax
:CHANnel<n>:COUPling <coupling>
:CHANnel<n>:COUPling?
Description
Sets or queries the coupling mode of the specified analog channel.
Parameter
Name Type
<n> Discrete
<coupling> Discrete
Remarks
AC: the DC components of the signal under test are blocked.

DC: both DC and AC components of the signal under test can pass through the channel.

GND: both DC and AC components of the signal under test are blocked.

Return Format
The query returns AC, DC, or GND.
:CHANnel<n>:CSTart
Syntax
:CHANnel<n>:CSTart
Description
Starts calibration for the active probe currently connected to the specified analog channel.
Parameter
Name Type
<n> Discrete
Remarks
This command is only valid when an active probe is correctly connected.
DS4000E Programming Guide
Range
{1|2|3|4}
{AC|DC|GND}
Range
{1|2|3|4}
RIGOL
Default
--
DC
Default
--
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