50DaylightFigure 4-42 DaylightDaylight SavingSelect “ON” to activate the daylight-saving function if you are in a daylightsaving time zone (effective for NTP mode only), and then choose the startingtime ,ending time and time adjustment.NotePlease click the “Save” button to save your settings. You can alsoclick the left button “Reset to Default” to set all the data andoptions as defaults.UpdateYou can update system firmware if the update file is available. It is thecustomer's responsibility to update firmware. All camera motions will shut downduring firmware update. Close any other screens before starting a firmwareupdate. Never disconnect power and LAN cable during the firmware updateprocess. Rebooting the camera after firmware update may take approx. 15minutes. After you finish FW update, please reboot your computer first time. Becareful, power can’t be shut down when you’re updating firmware. Otherwise, itwill cause FW update failure and you have to call back to maintenance.Figure 4-43 Firmware UpdateConfigurationVideo TypeUsers can select “NTSC” or “PAL” according requirement.Flicker by fluorescent light can be reduced by selecting PAL mode if the publicpower is 50Hz or NTSC mode if the power is 60Hz.