This video shows the step by step programming of a Videx keypad. It applies to Art.4901, Art.8801, modular keypads and the Art.8901 standalone keypad.
See the MiAccess system overview showing online access control.
ESVK video set review
True 2 wire video intercom demonstration video showing the simplicity wiring
A video showing wiring and demonstrating the Kristallo video set
IP intercom review
Daryl shows the features of the IP video intercom system.
WS4 system introduction
Access control systems video overview.