The DS7447V3-CHI Chinese keyboard is an Option bus compatible device. Each keyboard has user adjustable options, including volume and brightness. DS7447V3-CHI can display two lines of system messages for all defense zones. This keyboard is required for local programming of the alarm host.
Basic functions:
The keyboard uses text, numbers, and symbols to display the status of the security system. When multiple events occur, the keyboard will display each event according to priority. Each keyboard has 10 numeric keys and 13