------------------------------------------------------------- Auto Ref/Keratometer GRK-7000
7
The International Electrotechnical Commission (IEC) has established a set of sym
bols for medical electronic equipment which classify a connection or warn of an
y potential hazards. The classifications and symbols are shown below.
I and O on power switch represent ON and OFF r
espectively.
Type B Isolated patient connection
It indicates the connection of signal input/output.
This symbol identifies a safety note. Ensure you u
nderstand the function of this control before usin
g it. Control function is described in the appropri
ate Userās or Service Manual.
It indicates the year of manufacture and the man
ufacturer.
It indicates the safe ground point connected to th
e chassis of equipment. It is required to do the p
rotective ground to the conductive section in the
equipment of class I for the purpose of safety.
Disposal of your old appliance
1. When this crossed-out wheeled bin symbol is attached to a
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