User Manual

Remote Control
R&S
®
FPC
271User Manual 1178.4130.02 ─ 05
Parameters:
<State> ON | OFF | 1 | 0
*RST: OFF | 0
Example: //Turn on the n dB marker function.
CALC:MARK:FUNC:NDBD:STAT ON
//Position two temporary markers 3 dB below a reference
marker.
CALC:MARK:FUNC:NDBD 3
//Query the frequency position of the n dB down markers; would
return e.g. 100000000,200000000
CALC:MARK:FUNC:NDBD:FREQ?
//Query the measurement result; would return e.g. 100000000
CALC:MARK:FUNC:NDBD:RES?
CALCulate<n>:MARKer<m>:FUNCtion:NOISe:RESult?
This command queries the result of the noise measurement.
To get a valid result, you have to perform a complete sweep with synchronization to the
sweep end before reading out the result. This is only possible in single sweep mode.
Prerequisites for this command
●
Turn on noise measurement (CALCulate<n>:MARKer<m>:FUNCtion:NOISe[:
STATe]).
Suffix:
<n>
.
irrelevant
<m> Marker
(Only marker 1 (M1) or delta marker 2 (D2) are possible to
select.)
Return values:
<NoiseLevel> The unit depends on UNIT<n>:POWer
Example: //Turn on single sweep mode.
INIT:CONT OFF
//Turn on marker and assign the noise measurement to that
marker.
CALC:MARK ON
CALC:MARK:FUNC:NOIS ON
//Perform the measurement and query the noise marker results.
INIT;*WAI
CALC:MARK:NOIS:RES?
Usage: Query only
Remote Commands of the Spectrum Application