Yamato Scientific DN410I Inert Oven - Manual (Page 51)

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Explanation of picture display
MEANING OF ILLUSTRATED SYMBOLS
Illustrated Symbols Various symbols are used in this safety manual in order to use
the unit without danger of injury and damage of the unit. A list
of problems caused by ignoring the warnings and improper
handling is divided as shown below.
Be sure that you understand the warnings and cautions in this
manual before operating the unit.
If the warning is ignored, there is the danger of a problem that
may cause a serious accident or even fatality.
If the caution is ignored, there is the danger of a problem that
may cause injury/damage to property or the unit itself.
Meaning of Symbols
This symbol indicates items that urge the warning (including the
caution).
A detailed warning message is shown adjacent to the symbol.
This symbol indicates items that are strictly prohibited.
A detailed message is shown adjacent to the symbol with
specific actions not to perform.
This symbol indicates items that should be always performed.
A detailed message with instructions is shown adjacent to the
symbol.