How do I Manually Set the Date and Time, WS-117x Series?
The WS-117x series automatically sets the date and time from the radio controlled clock signal. However, you must set the Time Zone (TZ) and Daylight Savings Time (DST).
However, you can manually set the Date and Time.
To set the date and time, you must be in the SET mode.
Press and hold the SET button for 2 seconds to enter the set mode.
Here are the commands as described in the User Manual: