Software Replication / Update

1. Power up the Emulator with the diskette containing the new software.
2. Remove that diskette and insert the diskette to be updated (ensure it is not write protected).
3. Press the 'B' button followed by the '8' button.
4. The disk drive LED will come on and the software will be written onto the diskette.

Source: Emulator I — emulatori-operatingmanual (manual)