The main points of installation of the mainframe part are as follows:

1、设备尽量避免不要曝露在室外风雨中，如无法避免，请加装防雨罩；

1, as far as possible, avoid exposing equipment to outdoor wind and rain. If it is unavoidable, install rainproof cover.

2、门口机上的摄像机镜头不要面对路口车道、直射的阳光或强光；

2. The camera lens on the doorway should not face the intersection lane, direct sunlight or strong light.

3、门口机上的摄像机采用补光等措施，尽量保持门口机上的摄像机镜头前的背景光线平均一致；

3. The cameras on the doorway machine adopt supplementary lighting measures to keep the background light in front of the cameras on the doorway machine as uniform as possible.

4、门口机上的摄像机如果是彩色摄像机，则应考虑夜间可见光补偿的需求；

4. If the camera on the doorway is a color camera, the demand for night vision compensation should be considered.

5、主机安装应避开电动卷门的马达，且不要安装在强磁场附近；

5, the main engine installation should avoid the motor of the electric rolling door, and do not install near the strong magnetic field.

6、主机接线处应考虑可以导引雨水的滴水线；

6, the main wiring point should consider the dripping line that can guide rainwater.

7、主机不要安装在室外环境背景噪音噪声过大处；

7, the host should not be installed in the outdoor environment, background noise noise is too large;

8、室内机不要将显示屏面对强光，LCD彩色显示屏要注意光线反射及监看角度，且不要安装在供暖管线高温、空调低温、灰尘过大或污染严重等地方；

8, the indoor machine do not face strong light display, LCD color display screen should pay attention to light reflection and supervision angle, and do not install in the heating pipeline high temperature, air conditioning low temperature, dust too big or serious pollution and other places;

9、室内分机安装时，应注意房间整体布局，注意室内烟筒的位置，做管线预埋时避免与其冲突。

9. When installing indoor extension, attention should be paid to the overall layout of the room, the location of the indoor chimney, and avoid conflicts with the pipes when they are embedded.