6-2 Maintenance
6.2 Software Update Procedure
6.2.1 Upgrading Firmware
LeCroy Corporation has a policy of continually improving and upgrading its products.
The LT Series instrument is equipped with flash Prom on processor board.
The software is updated to the latest version using either the floppy disk drive or the
memory card interface.
After any software change, reboot the scope or perform a general reset of the
instrument by simultaneously depressing the F2 button, the F5 menu button and the
CH1 button.
a. Performing the Update from Floppy
• Format a single high density 1.44Mb floppy in the scope ( not in the PC )
• Create a directory LECROY_P in the root directory of the disk
• Copy the file VXFOUND.FLA, into the directory created above.
• Label this disk “ Firmware Update Disk “
• Cycle power to the scope with no floppy inserted.
• When the scope boots enter the “Show Status“ , “System“ menu to verify that
version 08.1.1 or later is currently running.
• Insert the Firmware Update Disk into the scope’s floppy drive.
• Select “Utilities“, “Special Modes“, “Firmware Update“, “Update from Floppy“ .
• Press twice “Update Flash“.
• Wait for two minutes until displaying “FLASH UPDATE SUCCESSFUL”on the
DSO.
• When the operation is complete remove the floppy and reboot the scope.
• When the scope boots enter the “Show Status“, “System “ menu to verify
that the new version is currently running.
Warning:
Reprograming the Flash memory is a procedure to be perform with
care.
Any loss of power during the update process could cause the scope
to require Factory service.
Note that once software has update it is not possible to revert to the
previous software version.
b. Performing the Update from Card
• Format a 2Mb SRAM memory card
• Create a directory LECROY_P in the root directory of the card
• Copy the file VXFOUND.FLA, into the directory created above.
• Cycle power to the scope with no floppy or card inserted.
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