Instructions

Chapter 2 Command System RIGOL
DG2000 Programming Guide 2-125
[:SOURce[<n>]]:SUM:AMPLitude
Syntax
[:SOURce[<n>]]:SUM:AMPLitude {<amplitude>|MINimum|MAXimum}
[:SOURce[<n>]]:SUM:AMPLitude? [MINimum|MAXimum]
Description
Sets the sum ratio of the waveform combine function of the specified channel.
Queries the sum ratio of the waveform combine function of the specified channel.
Parameter
Name
Type
Range
Default
[<n>]
Discrete
1|2
1
<amplitude>
Real
0% to 100%
10%
Remarks
 The sum ratio refers to percentage of the amplitude of the waveform to be summed on the basic
waveform in that of the basic waveform.
 When [:SOURce[<n>]] or [<n>] is omitted, the system sets the related parameters of CH1 by default.
Return Format
The query returns the sum ratio in scientific notation, with 7 effective digits. For example, 1.000000E+01
(the sum ratio is 10%).
Example
:SOUR1:SUM:AMPL 10 /*Sets the sum ratio of the waveform combine function of CH1 to 10%.*/
:SOUR1:SUM:AMPL? /*Queries the sum ratio of the waveform combine function of CH1 and the
query returns 1.000000E+01.*/
[:SOURce[<n>]]:SUM:INTernal:FREQuency
Syntax
[:SOURce[<n>]]:SUM:INTernal:FREQuency {<frequency>|MAXimum|MINimum}
[:SOURce[<n>]]:SUM:INTernal:FREQuency? [MINimum|MAXimum]
Description
Sets the sum frequency of the waveform combine function of the specified channel.
Queries the sum frequency of the waveform combine function of the specified channel.
Parameter
Name
Type
Range
Default
[<n>]
Discrete
1|2
1
<frequency>
Real
1 μHz to 100 MHz
1 kHz
Remarks
 The sum frequency refers to the frequency of waveform to be summed on the basic waveform.
 When [:SOURce[<n>]] or [<n>] is omitted, the system sets the related parameters of CH1 by default.
Return Format
The query returns the sum frequency in scientific notation, with 7 effective digits. For example,
1.000000E+02 (the sum frequency is 100 Hz).
Example
:SOUR1:SUM:INT:FREQ 100 /*Sets the sum frequency of the waveform combine function of CH1 to
100 Hz.*/
:SOUR1:SUM:INT:FREQ? /*Queries the sum frequency of the waveform combine function of CH1
and the query returns 1.000000E+02.*/