Elvox 5VL4/660, Installation And Operation Manual

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GB 27
V FAQ
1. Q: No image after installation?
a. Check to connect the power supply correctly, whether the indicating led is always on or not;
b. Check the video cable, make sure it is workable.
c. Check if the monitor has been open.
2. Q: Image interference after installation
a. Check the power quality, if the adapter can’t work, please replace another one.
b. Check if electromagnetic interference exists in the surroundings, please use some anti-interference devi-
ces.
3. Q: RS485 can’t control menu?
a. Please check the controller issued code is correct;
b. Please check if the control circuit is smooth;
c. Please verify the communication address, baud rate well-matched;
d. Please check if the connection interface is loose.
4. Q: Camera image can’t switch into B/W at night?
Please open the camera menu to see if "Day/Night Switch" is set as AUTO, if not, please change into AUTO.
5. Q: Noise is very obvious at night with low illumination. please make sure AGC ON.
6. Q: The image color is abnormal.
a. please make sure if the white balance is correctly set as Auto White Balance.
b. Please enter the menu to restore factory settings.
7. Q: Image appears to be whiter than usual after installation?
a. Please check whether the lens aperture was adjusted too large, so that the image appears whiter.
b. Please verify the camera rear panel, if the regulator potentiometer is adjusted too large.
c. Check if the brightness of the monitor is too large.
8. Q: When installation, image is not clear or exist dark corners?
a. Please adjust focus and zoom of the lens. Make sure the focus should be adjusted in a proper way.
b. Please check if the lens is clean.