4
O
O
p
p
r
r
e
e
a
a
t
t
i
i
o
o
n
n
M
M
a
a
n
n
u
u
a
a
l
l
2.2
Symbol Information
Symbol
Descriptions
TYPE B EQUIPMENT
Protective earth (ground)
Alternating current
Off (power: disconnect to the mains)
On (power: connection to the mains)
Do not throw away the waste to inappropriate place
Crushing hazard sign
Hand hazard sign
Risk of electric shock
Instruction for user manual
Operating instructions
CAUTION
Keep dry symbol
DO NOT Hand Hooks symbol
Fragile symbol
This way up symbol
Handle with care symbol
Do not build up more than 2 boxes
Manufacture
Summary of Contents for ERK-5400A
Page 1: ...AUTO REF KERATOMETER ERK 5400A Operation Manual ...
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Page 3: ...O Op pe er ra at ti io on n M Ma an nu ua al l ...
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