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Appendix
B
Programming Applications
Reprogramming the M90 Flash
Download Application or BIOS to M90
Set Up M90
Set Up Host Computer
82
The following steps explain how to update the existing flash program in
the M90. You can update the M90 Flash to a new version.
Download the new flash to the M90 RAM disk, then start the M90 in
Supervisor Mode. Select System > Programming > Update Flash (see page
40).
Note: As this requires reprogramming of the FLASH in the M90, make
sure that either the M90 battery is fully charged or that the M90 is on
charge (office dock). A power failure during flash programming could cor-
rupt the FLASH. If this occurs, have the FLASH EEPROM replaced at a
service center.
Downloading from Host Computer
Connect the host personal computer (PC) to the M90 unit with a serial
null modem cable. Select "COM" in the User Mode and the M90 enters
the Kermit server mode with default communication parameters 19200
bps, 8 bit, 1 stop, no parity, and no flow control.
Kermit Communications Program
To set up the PC to talk to the M90 unit using a Kermit communications
program, consult your manual for the Kermit communications program.
Windows Hyper Terminal Method
If you are using Hyper Terminal on a Windows 2000 PC, do as follows to
download a file to the M90. Hyper Terminal is not optimized for large
files or for daily use in an application, but is an easier method of down-
loading files to the M90 as compared to the Kermit method.
Note: Tool icons are shown to the left of related menu options.
To set up the host computer:
1 From the Windows desktop, select Start > Programs > Accessories >
Communications > HyperTerminal.
M90 Series Portable Data Entry Unit Reference Manual
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