63• Isn’t the SD memory card out of order?There are limited times to overwrite on an SD memorycard. When frequently overwritten, it may be at the endof product life. It is recommended to replace the SDmemory card.• When flicker occurs frequently, select "Indoor scene"for "Light control mode".• Is there dust or dirt on the transparent part (over thelens) of the dome cover (camera shell)?Clean the transparent part of the dome cover.Cannot adjust the focus cor-rectly.InstallationGuideFlicker appears on thescreen. 24• Is the SD memory card inserted correctly?• Is the SD memory card formatted?• Isn’t the write protect switch set to "LOCK"?When the write protect switch is set to "LOCK", avail-able capacity/original capacity indication of the SDmemory card will be "**********KB/**********KB".InstallationGuide11––Images cannot be saved onthe SD memory card.• Is the brightness setting set at an appropriate level?Click the [Reset] button of "Brightness".Images are displayedwashed out.OperationInstructions• Is the brightness setting set at an appropriate level?Click the [Reset] button of "Brightness".No image is displayed (or toodark).OperationInstructions• Depending on the traffic of the network or the concen-tration of access to the camera, there might be difficul-ties displaying the camera picture. Request the camerapicture using the browser such as by pressing the [F5]key, etc.• Depending on the version of your browser, there mightbe difficulties refreshing the picture, etc.The image is not beingrefreshed.–InstallationGuideReferencepagesCause/solutionSymptom