Uniden GDVR 43 Series Owner's Manual page 30

Date & Time Tab
In this interface, set the date format, time format, time zone; you can also
adjust the system time manually.
Note: the default time zone of the system is GMT+10:00.
Select sync Time with NTP server to correct time. Network server time can be
set.
FIelD
Date Format
Time Format
Time Zone
sync Time with
NTP server
NTP server
system Date
system Time
DST Tab
Set the start and end time of daylight saving time by week or date.
30
DescrIptIon
Set date format
12 or 24 hour format
Set time zone in gmT format.
Check box to select time sync; uncheck box to deselect.
Select Update Now to sync time.
Set date through pop-up calendar.
Set time.