: Ensure the unit is on a stable surface with enough clearance for ventilation to prevent overheating.
For a complete digital copy of the manual, you can search repositories like ManualsLib or Scribd for "Panasonic KX-F90 manual". Operating Instructions (English) - Panasonic panasonic kx f90b instruktsiia
: Never use liquid or aerosol cleaners directly on the unit. Unplug the device and use a dry or slightly damp cloth. : Ensure the unit is on a stable