R&S ESR Series User Manual page 937

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R&S ESR
If the external reference oscillator is selected, the reference signal must be connected
to the rear panel of the instrument.
Parameters:
<Frequency>
Example:
Usage:
[SENSe:]ROSCillator:SOURce <Source>
This command selects the reference oscillator.
If the external reference oscillator is selected, the reference signal must be connected
to the rear panel of the instrument.
Parameters:
<Source>
Example:
Usage:
Manual operation:
[SENSe:]ROSCillator:SOURce:EAUTo?
This command queries the current reference type in case you have activated an auto-
matic switch to the internal reference if the external reference is missing.
Return values:
<Reference>
Example:
Usage:
User Manual 1175.7068.02 ─ 12
Range: 1 MHz to 20 MHz
ROSC:EXT:FREQ 13
Sets the frequency to 13 MHz.
SOUR:EXT:ROSC:EXT:FREQ 13
SCPI confirmed
INTernal
The internal reference is used (10 MHz)
EXTernal
The external reference is used; if none is available, an error flag
is displayed in the status bar
EAUTo
The external reference is used as long as it is available, then the
instrument switches to the internal reference
ROSC:SOUR EXT
SCPI confirmed
See "Reference Int/Ext"
See "Show Error Flag"
See "Auto select Reference"
INT
internal reference
EXT
external reference
SENS:ROSC:SOUR:EAUT?
Queries the currently available reference type.
Query only
System Configuration
on page 507
on page 507
on page 507
Remote Control
934