9.3 Marking
THE CONTROL UNIT
The control unit is marked as shown below (example).
For an explanation, see section 9.4 Symbol key.
POWER ADAPTOR
The power adaptor is part of the control unit and is marked as shown below (example).
For an explanation, see section 9.4 Symbol key.
THE MATTRESS
The mattress, cover and inner cover are marked as shown below (example).
For an explanation, see section 9.4 Symbol key.
WARNING
To avoid the risk of electric shock, equipment marked as being in electrical safety class I must be connected to an earthed socket only.
Double insulation symbol:
denotes electrical safety
class II – may be connected
to an unearthed socket.
Earth symbol: denotes
electrical safety class I –
must be connected to an
earthed socket.
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