SOURce Subsystem
SOURce Subsystem
The SOURce keyword is optional in many commands that set parameters for a source or output channel.
Example
The SOURce keyword and the channel number are optional in the [SOURce[1|2]:]AM[:DEPTh]? query, and if it is
omitted, the source defaults to channel 1. The following table shows how various forms of the query are interpreted.
Parameter Typical Return
AM:DEPTh? returns the modulation depth of channel 1
SOUR1:AM:DEPTh? returns the modulation depth of channel 1
SOUR2:AM:DEPTh? returns the modulation depth of channel 2 (two-channel instruments only)
Subsystems Using the Optional SOURce Keyword
Because SOURce subsystem commands are often used without the SOURce keyword, these commands are listed by
their individual subsystems, below:
AM
APPLy
BPSK
BURSt
DATA
FM
FREQuency
FSKey
FUNCtion
LIST
MARKer
PHASe
PM
PWM
ROSCillator
SUM
SWEep
VOLTage
Agilent 33500 Series Operating and Service Guide 283
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