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© National Instruments Corporation 4-1 GPIB-COM User Manual
Section Four
Running Diagnostic Tests
The GPIB-COM Test Commands
The GPIB-COM Diagnostic Tests can be used to verify the configuration of the GPIB-COM and
its connection to a GPIB printer or plotter.
To run a GPIB-COM diagnostic test, connect a printer or plotter to the GPIB and run the program
com.exe from the GPIB-COM diagnostic test diskette. The following message will appear on the
screen:
NATIONAL INSTRUMENTS GPIB-COM DIAGNOSTIC TESTS
This program assumes the GPIB-COM is configured at base address
3F8 (COM1).
If you reconfigured your GPIB-COM you must change the address
that this program uses. To do this, enter command c from the
menu.
Enter one of the following commands:
-1 printer test
-2 plotter test
-c change COM configuration
-q quit
?
A short explanation of each command is given in the following paragraphs.
-1 printer test
Select this test to verify the configuration of the GPIB-COM when connecting it to a GPIB ASCII
printer. This test will send characters to the printer.
Entering this command returns the prompt:
Starting printer test.
Press any key to stop printing.