1. Press the [MODE] button until you get to time mode.
2. Press-and-hold the [LIGHT-SET] button for 2 seconds to enter the time setting screens.
3. Press the [START-LAP (+)] or [STOP (-)] buttons to adjust each value starting with “seconds”.
4. Press the [MODE] button to advance to the next setting value in this order: second, minute, hour, year, month, date, 12/24-hour format, LCD contrast.
5. Repeat steps 3-4 for all time settings.
6. When you are finished press the [LIGHT-SET] button to exit out of time setting.
7. For using time zone 1 (T1) and 2 (T2): To view T1 or T2, press the [VIEW] button. To change the displayed time to T1 or T2, press-and-hold the [VIEW] button.