Casio YW-2L User Manual page 10

Icon Examples
A triangle indicates a situation against which you need to exercise caution. The
example shown here indicates you should take precaution against electric shock.
A circle with a line through it indicates information about an action that you
should not perform. The specific action is indicated by the figure inside the
circle. The example shown here means disassembly is prohibited.
A black circle indicates information about an action that you must perform. The
specific action is indicated by the figure inside the circle. The example shown
here indicates you must unplug the power cord from the power outlet.
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