FAQ

Turn on the power switch, the display does not respond, the indicator does not light.: 　　Check whether the external power cable is plugged in, whether the socket voltage is normal, whether the power switch is in the on state, whether the fuse is burned out, and whether the switching power supply has related voltage outputs.

Turn on the power switch, the indicator light is on the display without any display.: 　　Brightness, contrast potentiometer is adjusted to minimum.

Turn on the power switch. The display is bright, with characters, fans, and no echo.: 　　Check the contrast potentiometer, total gain potentiometer, and 8 gain to minimize.

Turn on the power switch. The indicator light is on, the display is on, and there are no characters or sectors.: 　　 Check whether the display brightness and contrast potentiometer are in place.

The panel does not work when it works normally after power-up (only the reset button works).

　　 When the work is normal, the panel will not work (only the reset button will work). First, see if the panel indicator light is on, and whether the key is stuck (as long as there is any one key to be controlled by the card panel).

When the camera works normally after power on, the image signal is weak.: The image signal is weak when working normally after starting up. 8 TGC regulation, total gain and contrast are normal.

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