8.10 For tools which might cause danger when started unexpectedly, the
″
off
″
position of the mains
switch shall be indicated, unless this position is obvious; the indication, if required, shall be the figure O,
as given by symbol IEC 60417-5008 (DB:2002-10).
The figure O shall not be used for any other indication.
The position of the moving contacts of the mains switch shall correspond to the indications for the different
positions of its operating means.
NOTE The figure O may, for example, also be used on a digital programming keyboard.
Compliance is checked by inspection.
8.11 Regulating devices and the like, intended to be adjusted during operation, shall be provided with an
indication for the direction of adjustment to increase or to decrease the value of the characteristic being
adjusted. An indication of + and - is considered to be sufficient.
The requirement does not apply to regulating devices provided with an adjusting means, if its
″
fully-on
″
position is opposite to its
″
off
″
position.
If figures are used for indicating the different positions, the
″
off
″
position shall be indicated by the figure
O and the other position shall be indicated by figures reflecting the greater output, input, speed, etc.
The indication for the different positions of the operating means of a control device need not to be placed
on the device itself.
Compliance is checked by inspection.
8.12 An instruction manual and general safety instructions shall be provided with the tool and packaged
in such a way that is noticed by the user when the tool is removed from the packaging. The general safety
instructions may be separate from the instruction manual. They shall be written in the official language(s)
of the country in which the tool is sold.
Instructions shall be legible and contrast with the background.
The instruction manual shall include the name and address of the manufacturer or supplier of branded
product and an explanation of the symbols used on the product.
The subjects are as follows:
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