Xvision X4/8/16D User Manual V1.1 36Item DescriptionSelect Time Zone Enter to modify GMT from GMT- 13 to GMT+ 13Daylight Saving Time Turn on/ off Daylight Saving Time4-8.2.3 INTERNET TIME SETUPSynchronize your DVR time with internet time server.Item DescriptionAutomaticSynchronizationCheck to enable DVR automatic synchronization function.Effective by this option selected, DVR will automaticallysynchronize the time upon rebooting or by every 24 hours afterbooting.Update Now Effectively, Date and Time show on DVR will immediatelycorrespond with those in internet server.