Check the power cord and line connection between the camera and monitor are made properly.
Color Camera Check that the DC/VIDEO selection switch on the rear of the camera is set to a proper position according to the type of your auto IRIS lens.
B/W Camera Check that the VIDEO/DSC selection switch on the rear of the camera is set to a proper position according to the type of your lens. ( B/W Camera )
It occurs when the power lamp on the front panel of the camera reflects against the glassy surface of the optional outer cover. Change the camera position.
Is the camera directly facing sun or fluorescent lighting? Change the camera position. Check that the DC/VIDEO selected switch at the rear of the camera is set to a proper position according to the type of your auto IRIS lens.