Q-See QSC13212D - Manual (Page 18)

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5.3 Day & Night Switch
Day & Night Switch is specially designed for different occasions. There are four
kinds of modes as follows: automatic mode, color mode, B/W mode, and external
switch. The user can set different modes according to the surroundings.


Color Signal
Set menu to display color or not

Color to B/W Settings
When the mode is "external control", user can’t adjust it. This is color to B/W
accumulated light intensity, when it reaches “alternating light” state, camera could be
damaged by frequent switching. It might cause it to not correctly judge the image and
reduction of life span of the camera.

B/W to Color Settings
When the mode is "external control", user can’t adjust it. This is B/W to color
accumulated light intensity, when it reaches “alternating light” state, camera could be
damaged by frequent switching. It might cause it to not correctly judge the image and
reduction of life span of the camera.

Delay Time
This means when the light begins to alternate between states, the system can make it
delay a while ensuring the light is fully within this switching range.