Press and hold TIME SET ( on the left side of the unit )for 2 seconds.
Hold down or press TUNING +/- ( on the right side of the unit ) repeatedly to adjust the year digit.
Press TIME SET to confirm the setting.
Repeat the step 2-3 to set the Month , Date , Hour and Minute step by step.
Press the TUNING +/- to set the gap of the time from the correct time for special use.