About this operating manual
Operating manual 171/173 Version 01.0 - 01/20164
1.3 Representational conventions - Symbols 
and characters
Different information is depicted or highlighted in this operating 
manual by the following characters for easier and quicker under-
standing:
Safety  Important warnings for the user of 
the machine are specifically 
marked. Because safety constitutes an area of major importance, 
hazard symbols, levels of risk, and their signal words are described 
separately in Chapter  3 Safety in
structions.
Location 
in
formation
Information on where something is positioned using the terms 
“right” or “left” must always be regarded from the operator's view-
point if the figure gives no other obvious indication for determining 
the location.
1.4 Other documents
The device contains built-in components from other manufactur-
ers. The respective manufacturers have carried out hazard as-
sessments for these purchased parts and confirmed compliance 
of the design with the applicable European and national regula-
tions. The intended use of the built-in components is described 
in the corresponding manuals of the manufacturers.
Symbol/character Meaning
•
Lists are identified by bullet points.
1.
2.
...
Instructions are numbered and have 
to be performed in the specified order.
References to further information in this 
operating manual or other documents 
are identified by this symbol.