Command Reference
R&S
®
CMW500
251
User Manual 1173.9463.02 ─ 02
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:
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
SYSTem:BASE:SSYNc:MODE
<Mode>
Specifies the role of the instrument in a multi-CMW setup, concerning the system time
synchronization signal.
Instrument-Control Commands
