Initialize Multi Program

1. Ensure the MicroWave is in Multi mode.
2. Press and hold the Shift key (k).
3. Briefly press the Utility key (f).
4. Release the Shift key.
5. Turn the Page Dial (c) clockwise until the display shows Init Multi.
6. Briefly press the Utility key (f) while holding the Shift key again to confirm.

Source: Microwave II — wdf007.raw (manual)