Users Manual

Table Of Contents

4-inch Visible Light Terminal

User Manual

Appendix 1

Requirements of Live Collection and Registration of Visible

Light Face Images

1） It is recommended to perform registration in an indoor environment with an appropriate light

source without underexposure or overexposure.

2） Do not place the device towards outdoor light sources like door or window or other harsh light

sources.

3） Dark-color apparels, different from the background color is recommended for registration.

4） Please expose your face and forehead properly and do not cover your face and eyebrows with your

hair.

5） It is recommended to show a plain facial expression. (A smile is acceptable, but do not close your

eyes, or incline your head to any orientation).

6） Two images are required for a person with eyeglasses, one image with eyeglasses and the other

without the eyeglasses.

7） Do not wear accessories like a scarf or mask that may cover your mouth or chin.

8） Please face right towards the capturing device, and locate your face in the image capturing area as

shown in the image below.

9） Do not include more than one face in the capturing area.

10） A distance of 50cm to 80cm is recommended for capturing the image. (the distance is

adjustable, subject to body height).