timezone

I have a Mini PTZ v2 that's been working fine for years with the exception of two issues: 1) It randomly reboots every few weeks or so and 2) Sometimes the Time Zone setting reverts to a different zone every 24hrs or so. Other times it maintains the setting for months. Attached is a snapshot...

Dahua NVR and 50 cameras Cameras are not on the internet the NVR can be Central Time and would like DST Setting just the time on the NVR doesn't seem to work for the cameras. Does it require also setting the data/time on each camera? Can the Dahua NVR work as a NTP server if you point the...