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Before operation
Dynaudio Sub 250 3
Before operation About this operating manual
Used signs and symbols
In this operating manual following signs and symbols are used.
Safety signs
Signal words
Text markings
General safety sign
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the
literature accompanying the product.
Dangerous voltage
The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert
the user to the presence of uninsulated “dangerous voltage” within the product's enclosure
that may be of sufficient magnitude to constitute a risk of electric shock to persons.
NOTICE
Indicates in combination with a safety sign a hazardous situation which, if not avoided,
will result in damage to equipment.
CAUTION
Indicates in combination with a safety sign a potentially hazardous situation which, if
not avoided, could result in minor or moderate injury or damage to equipment.
WARNING
Indicates in combination with a safety sign a potentially hazardous situation which, if
not avoided, could result in death or serious injury.
DANGER
Indicates in combination with a safety sign a hazardous situation which, if not avoided,
will result in death or serious injury.
Note Additional information is provided, which is important to fully understand the
Sub 250 and how to operate it.
X The arrow will identify steps to be performed. Please follow the instructions carefully.
1.
2.
3.
Multiple steps that should be performed consecutively are numbered. Please follow
these instructions carefully.
italics The result of a step is printed in italics. This may help you verify the success of a
step.
bold Controls are printed in bold type face.