Curtis LT7029 - Manual (Page 19)

After finishing calibration, unit will come into effect by re-starting.
7.7 Date and time settings
Click "Date and time" to enter settings interface, there are Set date,Select time
zone, Set time, Time format, date format functions. The operations are same.
For example, choose to set the date, as below:
Click +: increase month,day and year
Click -: reduce month,day and year
The year form can use input mode. Click year number and an interface will come out
as below, enter the desired number and select “Done”.