Rohde & Schwarz CMW500 - Page 260

Command Reference - Base Software
R&S
®
CMW500
244User Manual 1173.9463.02 ─ 06
SYSTem:BASE:REFerence:FREQuency:SOURce............................................................244
SYSTem:BASE:REFerence:FREQuency..........................................................................244
SENSe:BASE:REFerence:FREQuency:LOCKed?.............................................................244
SYSTem:BASE:SSYNc:MODE........................................................................................245
SYSTem:BASE:REFerence:FREQuency:SOURce <FrequencySource>
Sets the R&S CMW500 to internal or external reference.
Parameters:
<FrequencySource> INTernal | EXTernal
INTernal: Internal reference frequency
EXTernal: External reference frequency
*RST: INT
Example:
SYST:REF:FREQ:SOUR EXT
Set the R&S CMW500 to an external reference frequency.
SYST:REF:FREQ 10E+6 Hz
Define an external reference frequency of 10 MHz.
Firmware/Software: V1.0.5.3
SYSTem:BASE:REFerence:FREQuency <ExtRefFrequency>
Sets the R&S CMW500 external reference frequency.
Parameters:
<ExtRefFrequency> Range: 1E+6 Hz to 80E+6 Hz
*RST: 10E+6 Hz
Default unit: Hz
Example:
see SYSTem:BASE:REFerence:FREQuency:SOURce
Firmware/Software: V1.0.5.3
SENSe:BASE:REFerence:FREQuency:LOCKed?
Queries whether the reference frequency is locked or not. A not locked reference fre-
quency is also indicated via the red "ERROR" LED at the front panel.
Return values:
<Locked> 1 | 0
1: frequency is locked
0: frequency is not locked
Usage: Query only
Firmware/Software: V1.0.5.3
Instrument-Control Commands