PST PST-VD972C, Руководство пользователя

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1. Introduction
This Intercom system is a flexible and user-friendly system that allows a
number of monitors to be used with a number of door units with cameras.
The monitors allow visibility of the callers via the camera in the door units
and, when used with the optional electronic lock, enable the resident to
electronically open the door for the caller.
The monitor has a modern appearance, user-friendly design,
changeable ABS plastic screen or glass screen, and simple to use
individual control buttons. Image is very clear and with its simple
installation it is an ideal home security product which will make for a
safer home environment.