Q-See QSC13212D, Product Manual

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7. FAQs
1. Q: No image after installation?
A: a. Check the power supply connections, try plugging into different surge protector
and a different power outlet. and whether the indicating led is always on or not;
b. Check the video cable, make sure it is ok.
c. Make sure the monitor is on.
2. Q: Image interference after installation?
A: a. Check the output from the power supply, try plugging into different surge
protector and a different power outlet.
b. Check if electromagnetic interference exists in the area, please use some
anti-interference devices. Try using insulated video cable.
3. Q: Camera image can’t switch into B/W at night?
A: Open the camera menu to see if "Day/Night Switch" is set as AUTO, if not, please
change it to AUTO.
4. Q: Noise is very obvious at night with low illumination.
A: Make sure AGC is ON.
5. Q: The image color is abnormal?
A: a. Make sure the white balance is correctly set as Auto White Balance.
b. Enter the menu to restore factory settings.
6. Q: Image appears to be whiter than usual after installation?
A: Check whether the lens aperture was adjusted too large, so that the image
appears whiter.
b. Check if the brightness of the monitor is set too high.
7. Q: On installation, image is not clear or has dark corners?
A: a. Adjust focus and zoom of the lens. Make sure the focus is set properly
b. Make sure the lens is clean.