Smeg Portofino CPF9IPYW Manual page 42

To release the lock temporarily during
cooking, hold the temperature knob down
for 5 seconds. One minute after the last
setting the lock will become active again.
When the position of the knobs is
changed, the display will show
It is still possible to turn the
appliance off instantaneously by
pressing and holding the function
knob down for 3 seconds when in
child lock mode.
110
for a few seconds.
Use
Showroom mode (for exhibitors only)
This mode allows the appliance to
deactivate all heating elements, while
keeping the control panel active.
To use the appliance normally, set this
mode to OFF.
If the mode is active, the indicator
light lights up on the display.