2.2 Correct purpose
of use
2.3 Safety symbols
Special safety notes
To draw attention to special risks, the following symbols are used in the safety notes:
Warning sign
This symbol highlights useful tips and recommendations and
information for efficient and problem-free operation.
Other markings
The following markings are used in these instructions to highlight action instructions,
results, lists, references and other elements:
1.>, 2.>, 3.>
•
[push button]
"Display"
The WTC 200 controller, the WRU 200 and WRU 220 readers, and the add-on
modules (WTX 200 I/O module and WTX 201 8-way relay module) may only be used
within an access control system.
Correct purpose of use also includes observing all specifications contained in these
instructions.
Any use beyond or other than the correct purpose of use shall be deemed improper
use.
WARNING
Danger in case of improper use!
Improper use of the reader, the controller and the add-on modules can
result in dangerous situations.
• Never install the reader, controller or add-on modules in ambient
conditions other than those permitted.
The following stickers are located on one or more components of the access control
system. They relate to the immediate environment of where they are located.
Electric voltage
Only qualified electricians are permitted to work on such marked
components.
Unauthorised persons may not open the such marked cabinet.
Type of risk
Warning of dangerous electrical voltage
Warning of a hazardous area
Step-by-step action instructions
Results of action steps
Lists without a defined order
Controls (e.g. push buttons, switches),
display elements (e.g. signal lamps)
Screen elements (e.g. buttons, assignment of function
keys)
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