HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

Test Program
To test the connection between the computer and the spectrum analyzer, turn on your
spectrum analyzer and follow the instructions below.
1. Your HP 9000 Series 300 computer may have either a soft-loaded or built-in language
system. If your language system is built-in, remove any disks from the drives and turn on
the computer.
2. If your language is soft-loaded, install the BASIC language disk into the proper drive. Turn
the computer power on. After a few seconds, the BASIC READY message appears; the
computer is now ready for use.
For further information on loading BASIC on your system, consult your BASIC manual.
Check the HP-IB address of the spectrum analyzer: press @K@, More 1 of 3 ,
ANALYZER ADDRESS . The usual address for the spectrum analyzer is 18. If necessary, reset
the address of the spectrum analyzer: press (ml, More 1 of 3 , ANALYZER ADDRESS ,
1Hz) (or enter the appropriate address).
4. Enter the following program, then press IRUN) on the computer. If you need help entering
and running the program, refer to your computer and software documentation.
The program shows that the computer is able to send instructions to, and read information
from, the spectrum analyzer.
10 PRINTER IS 1
20 Analyzer=718
30 CLEAR Analyzer
40 OUTPUT Analyzer ; ; SNGLS ; ”
50 OUTPUT Analyzer ; “CF 300MZ ; TS ; ”
60 OUTPUT Analyzer ; “CF? ; I’
70 ENTER Analyzer;A
80 PRINT “CENTER FREQUENCY = ;A; “Hz” ;
90 END
The program tells the spectrum analyzer to perform an instrument preset and enter
single-sweep mode. Next, the program sets the center frequency to 300 MHz and takes a
sweep.
CENTERFREQUENCY= 3.OE+8Hz.
If the computer does not display the center frequency, refer to “If There is a Problem” at the
end of this chapter.
1-6 Preparing for Use