2
Precautions
Literature information
1
Literature information
The important information concerning correct operation and what you should observe is marked with the following
symbols.
• Terms and button names displayed on the main unit and PC screens are indicated as [XXXX].
• Page reference are shown as "Title (→ page XX)", (→ page XX), or page XX.
• In this manual, Video Door Stations and Door Stations without cameras are referred to collectively as "Audio Door
Station."
Informs users of precautions (includes warnings and precautions).
Informs users of prohibited acts.
Alerts the user to important instructions, prohibited matters, and matters to be aware of before
operation. Please read and understand before proceeding.
Indicates tips and additional information for operation.