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mode to Night
mode
switches into night mode. Increasing it will make
camera switch to night mode at a darker illumination
level.
Switch from Night
mode into Day
Mode
This value controls the level of light where camera
switches into Day mode. Increasing it will make
camera switch to night mode at a darker illumination
level.
Brightness Meter
Bar
This bar shows the illumination level at which cameras go
to night or day mode (Blue / Red bars), and shows the
current detected illumination level (Green bars). Use this
bar to fine tune the day/Night switch timing.
Get Current
Exposure Level
Clicking this button will refresh the illumination level
reading from the camera sensor. The larger the number, the
darker the environment.
Click the [Apply] button to confirm the settings or click the [Reset] button to
re-enter the parameters.
How it works
An important feature in this screen is that user may now customize the illumination level
to perform day/night mode switches.
On the horizontal brightness meter shown here, there are three colored bars. The bar
represents light amplifying levels 0 to 100, where 0 is Brightest and 100 is darkest. 0
means no digital amplification of incoming light signals, which means that the
environment is bright enough for the camera to get good quality images.
When the environment gets darker, as when the sun is setting over the horizon, the
environmental gets darker. To maintain proper image brightness level, the camera will
attempt to digitally amplify the light signals received by the sensor. The Blue one is the
level at which camera will go into night mode, and remove Mechanical IR cut filter and
open IR LED if available. The red one indicates the illumination level at which the
camera will consider bright enough to go back to day (Color) mode.
The Red bar should always be to the left of the blue bar. As camera go from day to night
mode, more lights are allowed inside (the IR filter is removed), so the detected light
signal level will increase. If the night-to-day illumination level is too close to the
day-to-night level, the camera will immediately consider it bright enough to go back to
day mode, which will result in continuous day/night switching.