Smeg Oven User Manual page 28

Control lock
Allows the appliance to automatically lock
the controls after one minute of normal
operation without any intervention from the
user.
To temporarily release the lock during
cooking, hold the return knob down for 3
seconds. One minute after the last setting
the lock will become active again.
Touching or varying the position of
the control and return knobs, the
display will show a warning for
two seconds.
30
Use
Demo mode
This mode allows the appliance to
deactivate all heating elements, while
keeping the control panel active.
If the mode is active, "demo
mode" will be shown on the
display.
To use the appliance normally, set
this mode to OFF.
Sound
Whenever one of the knobs is pressed, the
appliance beeps. This setting disables these
sounds.