1 about this manual, 1 typographical conventions, 2 notes on copyright and information on trademarks – Videotec HGV User Manual
Page 5: 3 safety rules
 
EN - English - I
nstruc
tions manual
3
1 About this manual
Before installing and using this unit, 
please read this manual carefully. Be sure 
to keep it handy for later reference.
1.1 Typographical conventions
g
DANGER! 
High level hazard. 
Risk of electric shock; disconnect the 
power supply before proceeding with any 
operation, unless indicated otherwise.
h
WARNING! 
Medium level hazard. 
This operation is very important for 
the system to function properly. Please 
read the procedure described very 
carefully and carry it out as instructed.
j
INFO 
Description of system specifications. 
We recommend reading this part 
carefully in order to understand 
the subsequent stages.
2 Notes on copyright and 
information on trademarks
The quoted names of products or companies 
are trademarks or registered trademarks.
3 Safety rules
h
The manufacturer declines all responsibility 
for any damage caused by an improper use 
of the appliances mentioned in this manual. 
Furthermore, the manufacturer reserves 
the right to modify its contents without 
any prior notice. The documentation 
contained in this manual has been 
collected with great care, the manufacturer, 
however, cannot take any liability for 
its use. The same thing can be said for 
any person or company involved in the 
creation and production of this manual.
• The device must be installed only and
exclusively by qualified technical personnel.
• Before any technical work on the appliance,
disconnect the power supply.
• Do not use power supply cables
that seem worn or old.
• Never, under any circumstances, make any
changes or connections that are not shown in 
this handbook: improper use of the appliance 
can cause serious hazards, risking the safety 
of personnel and of the installation.
• Use only original spare parts. Not original
spare parts could cause fire, electrical 
discharge or other hazards.
• Before proceeding with installation check the
supplied material to make sure it corresponds 
to the order specification by examining the 
identification labels ("4.2 Product markings", page 4).