1 Press and hold main button. 2 Press and hold main button until you hear one beep. Quickly release main button. Press main button again and hold down until "Power OFF" is displayed and the screen goes blank. 3 Press and release main button. "Set Alerts" will be displayed. Press repeatedly until "Set Clock" is displayed and press to confirm. The hour will be underlined. Press repeatedly to select the desired hour and press to confirm. The minute will be underlined. Press repeatedly to select the desired minute and press to confirm. The "12H" (12 hour setting) or "24H" (24 hour setting) will be underlined. Press repeatedly to select the desired hour clock setting and press to confirm. Follow the same procedure to select the year, month and day. The (clock display on) or (clock display off) will be underlined. Press repeatedly to select and press to confirm. Press main button. 4 Press and release main button. "Set Alerts" will be displayed. Press repeatedly until "Set Options" is displayed and press to confirm. Press repeatedly until "Calendar Order" is displayed and press to confirm. "D/M/Y" (Day, Month or Year) or "M/D/Y" (Month,Day or Year) will be displayed. Press repeatedly to select calendar setting and press to confirm. Press main button. 5 Press and release main button. "Set Alerts" will be displayed. Press and then press repeatedly to select "Sound ON". .Press to confirm. Press repeatedly to select "Beep" or "Musical" and press to confirm. When "Beep" is selected, press repeatedly to select either "Single" or "Dual" and press to confirm. When "Musical" is selected, press repeatedly to ..........select any of the 16 melody alerts ("Melody 1" through .........."Melody 16") and press to confirm. Press main button.