FUNCTION: 1:CLOCK 2:ALARM 3:TIMER 4:TRAIN THE REST FUNCTION 5:STOPWATCHSpecial settings：Can switch the vibration, mute, 5S preparation time. (Type A has novibration function; B function has vibration function) alarm clock,training rest, timing completion reminder according to the specialsetting status.2. Clock functionSupport the 12 / 24 hours system.3, the alarm clock functionA set of alarm clocks.Arrive the alarm time, remind 90 seconds.4. Train the rest functionThe d 1 to d 7, which cannot be set up.From P 0 to P 2, you can customize the training time, rest time andcycle times.3 seconds after the training rest.5. UP positive timing functionThe maximum value can be set.Positive timing reaches the maximum reminder for 3 seconds.6, dn countdown functionThe countdown time can be set.Countdown to 0000 alert 90 seconds.7. stopwatch function.8. Low power / charging function.9. Switch the machine function.10. Automatic screen closing function.11. Test mode.