User Manual Manual

REMOTE INTERFACE
225
Example
SOUR1:FM:SOUR EXT
Sets the modulation source to external.
Query Syntax
SOURce[1|2]:FM:SOURce?
Return Parameter
INT
Internal
EXT
External
Example
SOUR1:FM:SOUR?
INT
The modulation source is set to internal.
SOURce[1|2]:FM:INTernal:FUNCtion
Source Specific
Command
Description
Sets the shape of the modulating waveform from
sine, square, triangle, upramp and dnramp. The
default shape is sine.
Note
Square and triangle waveforms have a 50% duty
cycle. Upramp and dnramp have a symmetry of
100% and 0%, respectively.
Syntax
SOURce[1|2]:FM:INTernal:FUNCtion
{SINusoid|SQUare|TRIangle|UPRamp|DNRamp}
Example
SOUR1:FM:INT:FUNC SIN
Sets the FM modulating wave shape to sine.
Query Syntax
SOURce[1|2]:FM:INTernal:FUNCtion?
Return Parameter
SIN
Sine
UPRAMP
Upramp
SQU
Square
DNRAMP
Dnramp
TRI
Triangle
Example
SOUR1:FM:INT:FUNC?
SIN
The shape for the modulating waveform is Sine.