2PCS Versatile Couple Electronic Watch, Multi-Function Alarm Clock Sports Watch

The watch has 4 side buttons, each corresponding to a number:

• L (Left Top)
• M (Left Bottom)
• S (Right Top)
• R (Right Bottom)

Electronic  Instrument  Debugging  Instructions  :

1.When the electronic watch displays normally:press the M key,press "Stopwatch
Function"once,press  "Alarm  Clock  Setting"twice,press  "Time  Calendar  Setting"three  times, and press "Restore Normal Display"four times.There is a protective film on the watch screen. After peeling it off,the display willbe brighter.
2.Key instructions:M=MODE S=START R=RESETL=LIGHT
3.Time setting:When the display is normal,press Mkey 3 times to enter the time adjustment state (seconds gap),and press the s key to calibrate the seconds (seconds clear).Press the R  key again.When the time is flashing,press the s key to check the time.Similarly,press the R   key  to  adjust:"minute,month,date,week"respectively.When  flashing,press  thes  key  again to adjust.After all adjustments are completed,press the M key once to return to the normal   display state.
4.12/24 hour status setting:When the display is normal,press the M key three times to enter the time adjustment state (seconds flash),then press the R key to enter the hour(seconds    flash)adjustment state,and then press the s key to adjust the 12/24 hour system.A(AM)stands for morning and P(PM)stands for afternoon.These two states use a 12-hour clock.     When it is adjusted to H,it represents the 24-hour clock.After the setting is completed,press the M key once to return to the normal time display.

5.Alarm setting:In normal display state,press the M key twice to adjust to the alarm state(AL), then press the R key once to adjust to the hour(flashing)setting state,then press the s key to    adjust the hour to complete the setting,then press the Rkey to adjust to the minute(flashing)  setting state,then press the s key to adjust the minute to complete the setting,and then press  the M key once to return to the normal display state.
6.Alarm and alarm on/off setting:In normal display state,press the M key twice to adjust to the alarm state(AL),then press the s key to switch,when the alarm is on(alarm symbol is
displayed),when the alarm is off(alarm symbol disappears).When the full point reminder is on(reminder symbol  is  displayed),when the full  point  reminderis  off(reminder  symbol
disappears).
7.Stopwatch use:In normal state,press the M key once to enter the watch running function,
then press the s key to start the watch running,then press the s key again to stop the watch
running and display the reading.Press the R key to clear the meter.Press the M key to return to the normal display state.
8.Key light:Press the Lkey to turn on the night light.Note:Using the night light fora long time will consume a lot of battery power.