Replacing software on A70T for cooker hood 392-A70T

When using cooker hood 392 for A70T, the following programme change must be made:

1. Press and hold buttons 2 and 3 on the control panel for about 5 seconds.
2. The control panel now shows the number 5 followed by a dot.
3. Press button 3 on the control panel until the number 92 with a dot after it appears, stop there.
4. Press and hold button 1 and a number will appear.
5. Keep button 1 pressed and press button 3 until the number 1 appears.
6. Release button 1.
7. Press button 3 repeatedly until two dashes appear.
8. Now the setting of the programme is complete.