6 Symbols
The following symbols appear on the audiometer or mains adapter:
Definition: Refer to instruction manual (mandatory)
Definition: Type B applied part – an applied part providing protection
against electric shock, particularly regarding allowable patient leakage
current and patient auxiliary current.
The applied parts are the left & right earphones, bone vibrator, insert
masker, patient response switch and the associated cables.
Definition: The output from the mains AC adapter is Direct Current
Definition: Class II equipment – equipment in which protection against
electric shock does not rely on BASIC INSULATION only, but in which
additional safety precautions such as DOUBLE INSULATION or
REINFORCED INSULATION are provided, there being no provision for
protective earthing or reliance upon installation conditions.
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