R3131 Spectrum Analyzer Operation Manual
4.1 GPIB Remote Programming
4-31
Aug 28/98
4.1.10 Basic Programming
N88BASIC is used in PC9801 series and HP-BASIC is used in HP200 and 300 series.
(1)
Sample Programs for PC9801 series (GPIB address = 8).
Example PC-1:
Master reset the device and set center frequency to 30 MHz.
Example PC-2:
Set reference level to 87 dBmV, 5 dB/div and RBW to 100 kHz.
Example PC-3:
Assign numeric value to variable.
Example PC-4:
Save set data to or recall it from register 5.
10
ISET IFC:ISET REN
’
Execute interface clear and remote enable.
20
PRINT @8;”IP”
’
Execute interface master reset.
30
PRINT @8;”CF30MHZ”
’
Set center frequency to 30 MHz
40
STOP
50
END
10
ISET IFC:ISET REN
’
20
PRINT @8;”UU RL87DB”
’
Set REF level to 87 dB
µ
V
30
PRINT @8;”DD5DB”
’
Set 5 dB/div
40
PRINT @8;”RB100KZ”
’
Set RBW to 100 kHz
50
STOP
60
END
10
ISET IFC:ISET REN
’
20
SPA=8:A=10:B=2:C=20
’
Assign a set value to each variable.
30
PRINT @SPA;”CF”,A,”MZ”
’
Set center frequency to 10 MHz
40
PRINT @SPA;”SP”,B,”MZ”
’
Set frequency span to 2 MHz
50
PRINT @SPA;”AT”,C,”DB”
’
Set ATT to 20 dB.
60
STOP
70
END
10
ISET IFC:ISET REN
’
20
TITLE$=”R3131 SPECTRUM ANALYZER”
’
Define a label.
30
PRINT @8;”CF30MZ SP1MZ DTP”
’
Set each data.
40
PRINT @8;”LON/” +TITLE$ +”/”
’
Label ON
50
PRINT @8;”SV5”
’
Save values in register 5.
60
PRINT @8;”CF1GZ SP200MZ”
’
Change center frequency and
frequency span.
70
PRINT @8;”RC5”
’
Recall values from register 5.
80
STOP
90
END
