Operating Manual EMI TEST RECEIVER ESIB7 - Rohde & Schwarz

Programming Examples
ESIB
Transmission of Instrument Setting Commands
Center frequency, span, and reference level of the instrument are set in this example.
REM -------- Instrument setting commands -------------
CALL IBWRT(receiver%, ’INSTRUMENT SANALYZER’) ’Analyzer mode
CALL IBWRT(receiver%, "FREQUENCY:CENTER 120MHz") ’Center frequency 120 MHz
CALL IBWRT(receiver%, "FREQUENCY:SPAN 10MHZ") ’Span 10 MHz
CALL IBWRT(receiver%, "DISPLAY:TRACE:Y:RLEVEL -10dBm")
’Reference level -10dBm
REM ***********************************************************************
Switchover to Manual Control
REM -------- Switch instrument over to manual control -----------
CALL IBLOC(receiver%) ’Set instrument to Local state
REM ***********************************************************************
Reading out Instrument Settings
The settings made in example 3 are read out here. The abbreviated commands are used.
REM --------- Reading out instrument settings ---------
CFfrequency$ = SPACE$(20)
’Provide text variables (20 characters)
CALL IBWRT(receiver%, "FREQ:CENT?") ’Request center frequency
CALL IBRD(receiver%, CFfrequency$) ’Read value
CFspan$ = SPACE$(20)
’Provide text variables (20 characters)
CALL IBWRT(receiver%, "FREQ:SPAN?") ’Request span
CALL IBRD(receiver%, CFspan$) ’Read value
RLevel$ = SPACE$(20)
’Provide text variables (20 characters)
CALL IBWRT(receiver%, "DISP:TRAC:Y:RLEV?")
’Request reference level
CALL IBRD(receiver%, RLevel$) ’Read value
REM -------- Display values on the screen -----------
PRINT "Center frequency: "; CFfrequency$,
PRINT "Span:
"; CFspan$,
PRINT "Reference level: "; RLevel$,
REM*************************************************************************
Positioning a Marker and Displaying Values
REM -------- Examples of marker functions -----------
CALL IBWRT(receiver%, "CALC:MARKER ON;MARKER:MAX")
’Activate marker1 and start peak search
MKmark$ = SPACE$(30)
’Provide text variables (30 characters)
CALL IBWRT(receiver%, "CALC:MARK:X?;Y?") ’Request frequency and level
CALL IBRD(receiver%, MKmark$)
’Read value
REM -------- Display values on the screen -----------
PRINT "Center frequency / level "; MKmark$,
REM **********************************************************************
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