1 Information about the operating manual
1.1 Symbols in this operating manual
Various types of notation and symbols are used in the text of this manual. They are
used as follows:
Numbered steps:
Required action
Result of the sequence of actions
• Symbol for a list
1. Points of the list
Reference to a section or figure
Display text
Different warning symbols are used for warnings. Please see the descriptions and
instructions in Section . Section 2 Safety instructions
1.2 Validity of the operating manual
This operating manual applies to the following products:
• VISATRON
®
VN2020
• VISATRON
®
VN2020 EX,
hereafter referred to as the “device”.
1.3 Use and purpose of the operating manual
The operating manual is intended for:
• the operator of the device; and
• the qualified personnel responsible for installing, starting up, operating and
servicing the device.
This operating manual will support you to:
• carry out initial assembly and installation as intended;
• operate the device safely and in accordance with its intended use;
• avoid hazards;
• carry out maintenance and repair work as intended and thereby reduce repair
costs and long downtimes;
• guarantee or increase the reliability and service life of the device;