Pfaff 8330 Instruction Manual page 87

NEXT By pushing the NEXT key, the application software gets overwritten with the copied fi les.
The memory is cleaned up and the bootmanager checks and starts the new application
program.
The function "ERASE OLD APP" is recommended for experienced users only!
If a software for another machinetype is loaded by mistake, these fi les can be erased with
this function. The bootmanager queries each fi le before deleting.
You need a succsessful update to operate the machine again!
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