Copy Operating System Software

1. Activate Master module.
2. Select 7. Disk Utilities, 4. Copy Software.
3. Select the drive containing the new software (e.g., Floppy Drive).
4. Select the destination drive (e.g., Internal HD).
5. Power cycle the Emulator III if the boot drive was updated.

Source: Emulator III — emulatoriii-user-guide (manual)