2N Door intercom 2N Helios - Manual, 1322 v3.0 - Manual (Page 17)

Terms and Symbols Used 1.4
17
Manual Symbols
Safety
 Always abide by this information to prevent injury of persons.
Warning
 Always abide by this information to prevent damage to the device.
Caution
 Important information for system functionality.
Tip
 Useful advice.
Note
 Additional information.