Victoria 537 Manual [patched] -

Because the Victoria brand no longer exists in its original form, finding an original paper manual can be difficult, but digital versions for similar or Necchi 537 models often provide nearly identical instructions.

Some Victoria 537 versions have a socketed EPROM (chip with a quartz window). Over decades, UV light and bit rot can corrupt data. If you have a programmer, read and re-burn the firmware from a known-good copy (available on vintage controller forums). victoria 537 manual