© National Instruments Corporation
4-1
GPIB-LPT User Manual
Section Four
Running Diagnostic Tests
The GPIB-LPT Test Commands
The GPIB-LPT Diagnostic Tests can be used to verify the configuration of the GPIB-LPT and its
connection to a GPIB printer or plotter.
To run a GPIB-LPT diagnostic test, connect a printer or plotter to the GPIB and run the program
LPT.EXE
from the GPIB-LPT diagnostic package disk. The following message will appear on
the screen:
NATIONAL INSTRUMENTS GPIB-LPT DIAGNOSTIC TESTS
This program assumes the GPIB-LPT is configured at base address
278 (Parallel adapter 2).
If you reconfigured your GPIB-LPT 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 LPT 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-LPT 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.