Alinking ALC-9171, User Manual

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Basic Setting > Video / Image > Sensor
Adjust contrast and color. Displays date, camera ID and relevant information on the video. When
the setting on this page is changed, a new image will immediately appear on the real-time display
window.
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Basic Setting > Video / Image > Sensor > DayNight Setting
When the ambient illumination becomes dim, IR LED will be switched on and the sensor image will
become black and white.. The Auto Day/Night mode is On by default. Select Manual if manual
setting is required.
Mode:
Auto.
The camera will switch automatically into Day or Night mode based on the environment
illumination.
Manual. Set the Day or Night mode manually.
External. Activate Day or Night Mode using external sensor. Connect the sensor with alarm input of
the camera. Set up the activation in the "Event" function. Please refer to Application / Event for
more information.
Switching Delay:
This option is to set the time delay such that Day or Night mode switches. If it set 10 seconds, when
system is in Night mode and detected the status that needs to shift Day mode, it will delay 10
seconds before switching to Day mode. This feature is in order to avoid switching modes due to
misjudgment. This option is only applied to Auto Mode.
Sensitivity Level:
The sensitivity to tell the difference between Day or Night. There are High, Mid and Low three
levels.
Day and Night options
Real time display window