2
Safety Precautions
The descriptions below concern safety and are very important. Read the descriptions carefully and
be sure to follow them.
The instructions presented in this section aim to prevent occurrence of any harm or damage to the
user and other persons by ensuring the user handles the product in a proper and safe manner.
Precautions for possible misuse of the product are categorized in three levels "danger", "warning",
and "caution", so that the degree of harm and damage and that of imminence are clearly
recognized.
In this instruction manual, various symbols and pictograms are used in order to prevent occurrence
of any harm or damage to the user and other persons by ensuring the user handles the product in a
proper and safe manner.
Figures and descriptions are presented in this table.
• Understand the figures and descriptions properly before reading the operation descriptions.
• After reading the manual, be sure to keep in an appropriate place which is easily accessible to
operators.
• All descriptions highlighted this way concern safety, be sure to follow them properly.
If handled improperly, an imminently dangerous situation may occur which
may result in death or serious personal injury.
If handled improperly, a dangerous situation may occur which may result in
death or serious personal injury.
If handled improperly, a dangerous situation may occur which may result in
personal injury or property damage.
A triangle caution pictogram indicates the danger, warning, or caution and the
inner indicates what to pay attention to.
(The pictogram shown to the left is used to indicate any general danger,
warning, or caution.)
A red caution pictogram indicates a prohibited action and what to be paid
attention to is shown inside or below the pictogram.
(The pictogram shown to the left is used to indicate any general inhibited
item.)
A blue caution pictogram indicates a mandatory action or to show instructions
for an expected action.
The inner indicates what to be done as a mandatory or expected action.
(The pictogram shown to the left is used to indicate any general mandatory or
expected action.)
When equipment which uses CO
2
gas is in operation, CO
2
emission may result in the
absence of oxygen or gas poisoning. Install the equipment in a place which allows
sufficient ventilation. In the case where sufficient ventilation cannot be assured, install a
warning device which works with, for example, CO
2
or O
2
meters.
Do not use outdoors. If the product is used in a place which can be exposed to rainwater,
short circuit or electric shock may result.
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