A, Please confirm if the power supply is connected well and reboot configuration is normal, and whether the power indicator light is on;
B, Please check whether the wire is damaged, or the wire connection port is plugged steadily;
C, Please check whether the bottom dip switch is in normal working mode;
D, Ensure the resolution of the camera output is supported in the display or monitor (most HDMI/SDI monitors do not support 720P30 or less resolution, you can press the remote control to switch the video format) ;
E, If the extension line is used, please ensure the compatibility;
F, For some models of multi-interface devices, if USB is also used, the image resolution will be reset by the USB end, may lead to HDMI/SDI no image ouput, please note the interface output logic.