User's Manual

Video Door Phone User Guide
9
Chapter 3 : Installing Video Door Phone
Suggested Installation Positions
Due to the view angle of the camera is limited, therefore the installation
position for Video Door Phone is crucial. In order to get a better view,
the view angle of this door phone should be around 85. Also the height
of the lens position is suggested between 155cm to 160cm according to
building conditions. For more details please refer to Figure 8.
Lighting Conditions
In order to get better visual quality, this product requires external
lighting auxiliary at night or lower light condition. Please refer to Page
29. The Lens of this device is able to see IR (Infra-Red) light, therefore
you may also implement with an IR light. IR light only delivers black &
white image, and the objects looks odd in some conditions. Please see
the spotlight example on Figure 8.
Figure 8 : Installation Example