-7-OPERATING PRECAUTIONS■ The camera does not have a power switchPower turns on as soon as the power cord is pluggedinto a power outlet. Before cleaning the camera,unplug the power cord from the power outlet.■ What to do if OVER HEAT appears on the displayThis message indicates that the interior of the camerahas become very hot. Immediately unplug the powercord from the power outlet, and contact a qualifiedservice person or system installer.■ Note the following to ensure long-term trouble-free operationLong operation under high temperatures and highhumidity can cause components to deteriorate andshorten camera life.The recommended ambient operation temperature isless than +35 °C.Make sure the camera is installed in a location where itis not directly exposed to heat from a radiator, heater,etc.■ Avoid use of this camera in a food preparationarea and other locations where there are largeamounts of steam vapor and oil.■ About the Camera Cleaning FunctionProlonged use can lead to noise on the monitor anddivergence of preset positions.If such conditions persist even after you performcamera cleaning (page 35), use the special setupmenu to execute the “REFRESH” operation (page 39).If you are using a matrix switcher with a cameracleaning function (WJ-SX550C), configure the matrixswitcher Auto Cleaning settings so cleaning isperformed once a day.■ This camera is designed for use in a hangingconfiguration only.Do not use it in an upright configuration on a tabletop,floor, etc. Such conditions create the risk ofmalfunction.■ CCD color filter burn-inIntense light concentrated on one spot for a longperiod can cause deterioration of the CCD internalcolor filters, and discoloration of the affected part. Evenif the camera position is changed from a fixed position,the discoloration at the previous location of theconcentrated light will remain on the screen.■ Do not point the camera at a strong light source.Intense light such as that produced by a spotlightconcentrated on one part of the screen can causeblooming (rainbow around the strong light) or smearing(vertical stripes above and below the strong light).■ Do not aim the camera at the same object for along time.Burn-in of an image may be caused on the fluorescentscreen of CRT.■ Handle the camera carefully.Do not drop the camera, or subject it to strong impactor vibration. Such conditions create the risk ofmalfunction.■ Do not allow the camera to become wet.Make sure that it is not exposed directly to water. Suchconditions create the risk of malfunction.■ Condensation inside of the dome coverRemove the dome cover and use a soft cloth to wipeoff the moisture.■ ConsumablesParts having contacts such as the lens-drive motors,cooling fan motor and slip-rings inside the camera aresubject to wear with time. Please ask the nearestservice center about replacement and maintenance ofsuch parts.■ Cleaning the cameraTurn off the camera and wipe it with a soft cloth. If thecamera is very dirty, wipe it off gently with a soft clothmoistened with a weak solution of water and a neutralkitchen detergent. Wring all excess liquid from thecloth before wiping the camera. Next, wipe off allremaining solution with a soft, dry cloth.A dirty dome cover or lens causes deterioration ofpicture quality. Use lens cleaning paper (like the typeavailable for cleaning eyeglasses or a camera lens) toclean the lens.The dome cover is particularly susceptible to damage.Gently wipe it with a soft cloth.SmearingBright SubjectBlooming