User manual

RIGOL DG1022 Commands System
Programming Guide for DG1022
2-42
The detailed information of each command are:
1. PM:SOURce
Command
Format
PM:SOURce {INTernal|EXTernal}
Function
Select internal or external modulation source, the default is INT.
Example
PM:SOUR EXT
2. PM:SOURce?
Command
Format
PM:SOURce?
Function
Query the modulation source of PM.
Return Value
The query returns INT or EXT.
3. PM:INTernal:FUNCtion
Command
Format
PM:INTernal:FUNCtion
{SINusoid|SQUare|RAMP|NRAMp|TRIangle|NOISe|USER}
Function
Select the internal modulation wave of PM.
Explanations
In internal modulation source mode, the modulation wave could be
sine, square, ramp, negative ramp, triangle, noise or arbitrary
wave, the default is sine.
Example
PM:INT:FUNC SQU
4. PM:INTernal:FUNCtion?
Command
Format
PM:INTernal:FUNCtion?
Function
Query the internal modulation wave of PM that has been selected.
Return Value
The query returns SIN, SQU, RAMP, NRAM, TRI, NOIS or USER.
5. PM:INTernal:FREQuency
Command
Format
PM:INTernal:FREQuency {<frequency>|MINimum|MAXimum}
Function
Set the frequency of internal modulation of PM and in Hz.
Explanations
Frequency range: 2mHz～20kHz
Example
PM:INT:FREQ 200
6. PM:INTernal:FREQuency?