Instructions

Chapter 2 Command System RIGOL
DG2000 Programming Guide 2-17
phase deviation (:COUPling[<n>]:PHASe:DEViation) or phase ratio (:COUPling[<n>]:PHASe:RATio)
before enabling the phase coupling function. You cannot set the phase coupling mode and phase
deviation/ratio after the phase coupling function is enabled.
 Select the desired phase coupling mode and set the corresponding phase deviation or phase ratio
when the phase coupling function is disabled.
Return Format
The query returns ON or OFF.
Example
:COUP1:PHAS ON /*Enables the phase coupling function of CH1.*/
:COUP1:PHAS? /*Queries the on/off status of the phase coupling function of CH1 and the query
returns ON.*/
:COUPling[<n>][:STATe]
Syntax
:COUPling[<n>][:STATe] {ON|1|OFF|0}
:COUPling[<n>][:STATe]?
Description
Enables or disables the frequency coupling, phase coupling, and amplitude coupling of the specified
channel at the same time.
Queries the on/off status of the frequency coupling, phase coupling, and amplitude coupling of the
specified channel.
Parameter
Name
Type
Range
Default
[<n>]
Discrete
1|2
1
{ON|1|OFF|0}
Bool
ON|1|OFF|0
OFF
Remarks
 When [<n>] is omitted, the commands set and query the related parameters of CH1 by default.
 DG2000 supports frequency, amplitude, and phase coupling functions. When the corresponding
coupling functions are enabled, CH1 and CH2 are mutual base sources. When the frequency, amplitude,
or phase of one channel (as the base source) is changed, the corresponding parameter of the other
channel will be changed automatically and always keeps the specified frequency deviation (ratio),
amplitude deviation (ratio), or phase deviation (ratio) relative to the base channel.
 You can also enable or disable the frequency coupling function (
:COUPling[<n>]:FREQuency[:STATe]),
phase coupling function (
:COUPling[<n>]:PHASe[:STATe]), and amplitude coupling function
(
:COUPling[<n>]:AMPL[:STATe]) respectively.
Return Format
The query returns a string consisting of 3 parts (representing the on/off status of the frequency coupling,
phase coupling, and amplitude coupling functions in sequence) separated by commas, for example,
FREQ:ON,PHASE:OFF,AMPL:OFF.
Example
:COUP1 ON /*Enables the frequency coupling, phase coupling, and amplitude coupling of CH1 at the
same time.*/
:COUP1? /*Queries the on/off status of the frequency coupling, phase coupling, and amplitude
coupling of CH1 and the query returns FREQ:ON,PHASE:ON,AMPL:ON.*/