-8-■ ConsumablesParts having contacts such as the lens-drive motors,cooling fan motor and slip-rings inside the camera aresubject to wear with time. Contact the nearest servicedealer about replacement and maintenance of suchparts.■ 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.Contact a qualified service person before cleaning thelenses. (Lenses do not move during cleaning.)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.■ Downloading (saving) or uploading (recovering)camera setting informationCamera setting information that can be downloaded tothe system controller etc, includes existing presetposition settings and menu settings. However, thefollowing items are not included.• Patrol function (page 37)• Area title function (page 39)• Blemish compensation pattern (page 47)• RS485 settings (page 20)• Password settings (page 50)Be sure the camera is not moving and aimed atsomething that moves very little (like a wall) beforedownloading camera preset data to the systemcontroller etc. or uploading downloaded data to thecamera.Uploading of WV-CW974 preset data to other models(e.g. WV-CW864, WV-CW864A) may cause an errorand failure of the uploading process.■ Self-diagnosing FunctionIf abnormal operation due to external noise or someother reason continues for more than 30 seconds, thecamera will automatically reset itself and restorenormal operation. Reset operation the sameinitialization routine that is performed when the camerais turned on. If the reset is required too often, it couldmean that the camera is installed in a location wherethere is a large amount of external noise. This cancause malfunction of the camera, so you shouldcontact a qualified service person or system installeras soon as possible.■ Combining devicesThere is a limit to the number of devices that can beput together in one configuration. Check thespecifications and outer dimensions before hooking upthe devices. For more information, see the “PanasonicCCTV System Catalogue” or consult your retailer.■ Installation precautions■ Be sure to perform installation work in accor-dance with proper technical standards for electricinstallation.■ Camera Installation LocationDiscuss the installation location for the camera withyour retailer, and select a wall, ceiling or other locationthat is strong enough to support the installation.■ About ceiling mounts and bracketsBolts for mounting the ceiling mount Attachment Pipeto a ceiling or wall are not provided.You need to purchase them separately in accordancewith the materials and strength of the place you areinstalling the camera.• Check the installation surface, and the anchors andbolts to be used for sufficient strength.• Gypsum board and wood surfaces tend to beweak, and should not be used as an installationsurface. If use of such a surface for installation isunavoidable, be sure to take adequate measures toreinforce the surface.■ Tightening the Screws• Screws should be tightened sufficiently inaccordance with the materials and structure of theinstallation location.• Do not use an impact driver to drive screws. Doingso can damage the screws.• Drive the screws as straight as possible. Aftertightening the screws, visually inspect them tomake sure there is no unevenness and that eachscrew is tight.■ This camera is designed for use in a hanging con-figuration only. Using it in an upright or inclinedconfiguration can cause malfunction and shortenthe life of the camera.■ Install the camera in a horizontal configuration,with the dome pointed downwards.■ Be sure to remove this apparatus if it is not in use.■ Never install or use the camera in the followinglocations.• Near a swimming pool or other areas wherechemicals are used• Food preparation areas and other locations wherethere are large amounts of steam vapor and oil, inflammable atmospheres, other special environments• Areas where radiation, X-rays, strong electricwaves, or magnetism is generated• At sea, in coastal areas, or in areas where corrosivegas is being generated• Areas outside of the allowable ambient operatingtemperature range (-40 °C to +50 °C {-40 °F to 122°F})