Welch Allyn Schiller AT-2plus Manual page 12

List of Symbols
Battery operation
(Flashes when battery
capacity limited.
93/42/EEC Medical Devices:
0124 `Notified Body` DEKRA AG
2
Mains connected
Potential Equalisation
(common ground)
Attention - General warning sign -
see accompanying documentation
Type CF equipment - safe for internal
♥
applications. Note: The paddles indicate
that the equipment is defibrillator proof