Using Dos Commands And Applications - Intermec Janus 2010 User Manual

JANUS 2010 Hand-Held Computer User's Manual
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Using DOS Commands and Applications

This table lists problems that may occur when you run DOS-based applications on the reader.
Problem
The reader displays a "Write Fault
Error Writing Device PRN" message.
The reader is locked up in an
application.
There is not enough memory to load
a program.
The reader locks up when running
Auto-Loader and you cannot reboot
the reader.
You have trouble running an IRL
program over an Interlnk connection.
The reader locks up just after the
DOS boot banner message appears
when you finish updating drive C
with Auto-Loader.
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Solution
A <DLE> or Ctrl-P was entered into the reader. There may be a
conflict because <DLE> is both the Intermec command override
command and the DOS printer redirection command. Press
to turn off console echo to the printer and then press
For help, see "Command Override" in Chapter 11.
Perform the application break sequence, as described in "Breaking
Out of an Application" in Chapter 9.
You need to free conventional memory. For help, see "Making More
Memory Available on the Reader" in Chapter 3.
Use the Boot Loader menu to reload the system flash memory. For
help, see "Loading Flash Memory" in Chapter 9.
You cannot run an IRL program over an Interlnk connection.
Press Alt-F4 on the host computer and then warm boot the reader.
A lockup occurs when both these conditions are true:
• An active Intersvr connection to the JANUS reader exists when
the reader reboots. The reader's default CONFIG.SYS file installs
Interlnk automatically when the reader is connected to COM1 of
the host computer and the host is running Intersvr.
• The reader's CONFIG.SYS and AUTOEXEC.BAT install a
combination of device drivers, DOS options, TSRs, and
applications that absorb the majority of available
conventional memory.
When both conditions exist, there is not enough space for your
software configuration to coexist with the Interlnk device driver.
The reader attempts to allocate memory that is not available, and a
lockup may occur.
To prevent the lockup, press Alt-F4 on the host computer or break
the serial connection between the reader and host computer before
the reader reaches the DOS initialization step of the warm boot.
When you exit Intersvr on the host computer or break the serial
connection, the Interlnk device driver will not detect
INTERSVR.EXE, and Interlnk will not be loaded into the reader's
memory.
c P
A
to abort.