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R&S FSQ Signal Analyzer - Rohde & Schwarz

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R&S <strong>FSQ</strong> Remote Control – Description of Commands<br />

[SENSe:]ROSCillator[:INTernal]:TUNE:SAVE<br />

SENSe Subsystem<br />

This command saves the new value for the tuning of the internal reference oscillator. The factory-set<br />

value in the EEPROM is overwritten.<br />

This command is only available at service level 1.<br />

Example: "ROSC:TUN:SAV"<br />

Characteristics: *RST value: –<br />

SCPI: device-specific<br />

Mode: A<br />

[SENSe:]ROSCillator:SOURce INTernal | EXTernal | EAUTo<br />

This command controls selection of the reference oscillator.<br />

INTernal Uses the internal reference signal.<br />

EXTernal Uses the external reference signal.<br />

EAUTo Uses the external reference signal, but automatically switches to the internal<br />

reference signal, if no external reference signal is detected. Note that you have<br />

to change the reference source back to EXT and EAUT once the connection to<br />

the external reference is reestablished.<br />

You can query the current status with [SENSe:]ROSCillator:SOURce:<br />

EAUTo?<br />

If the external reference oscillator is selected, the reference signal must be connected to the rear panel<br />

of the instrument.<br />

As of firmware version 4.4x, you can you also select EAUTo. This paramater selects an external<br />

reference signal, but switches to the internal reference signal if no external reference is detected. If the<br />

external reference oscillator is selected (EXT | EAUT), the reference signal must be connected to the<br />

rear panel of the instrument.<br />

The reference settings are not changed after a preset.<br />

Example: "ROSC:SOUR EXT"<br />

Characteristics: *RST value: –<br />

SCPI: conform<br />

Mode: A<br />

*RST is not influencing this parameter.<br />

[SENSe:]ROSCillator:SOURce:EAUTo?<br />

This command queries the current source of the reference signal, if the external reference source EXT<br />

(INT) is used. The command returns INT if the internal reference source is used and EXT for an<br />

external reference source.<br />

This command is a query and therefore has no *RST value.<br />

Example: "ROSC:SOUR:EAUT?"<br />

Characteristics: *RST value: -<br />

SCPI: device-specific<br />

Mode: A<br />

Operating Manual 1313.9681.12 - 01 6.205

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