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JANUS? 2020 Hand-Held Computer (4MB) - Intermec

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Using PC Cards (continued)<br />

Problem Solution<br />

After you load your Novell network<br />

software, you use a network PC card and<br />

run an application that does not work<br />

properly after making a system call.<br />

nugget<br />

nuggethelCODE39 CODE39Troubleshooting<br />

10<br />

Your Novell network software may have modified the<br />

COMSPEC environment variable to add a drive specifier to the<br />

path. However, DOS needs COMSPEC to find the<br />

COMMAND.COM file, which must be loaded for DOS to<br />

execute system commands. The reader uses ROM DOS, which<br />

expects COMSPEC to be set to:<br />

comspec=command<br />

To eliminate this problem, run the INITENV utility before you<br />

log onto a NetWare server. INITENV.EXE is on the reader’s<br />

drive C and Application companion disk 3. Create a login batch<br />

file similar to this one:<br />

@echo off<br />

c:\initenv<br />

e:\login %1 %2<br />

set comspec=command<br />

Use the new login file instead of your Novell login file when<br />

you log the reader onto the server. If you do not run<br />

INITENV.EXE before logging in, your DOS environment table<br />

will be corrupted and cause your <strong>JANUS</strong> application to fail. You<br />

can set COMSPEC correctly to fix part of the problem, but you<br />

must boot the reader to clear embedded garbage characters<br />

from the environment table.<br />

To check COMSPEC, type set and press . All environment<br />

variables are displayed. If COMSPEC was set to anything other<br />

than COMMAND, it has been changed by the login process.<br />

10-21

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