Model noGK-190129F

Power supply: 3 AAA batteries or USB;
After the battery is powered on for 10 seconds, it needs to be turned off and then turned on;
The USB power light will always be on,
The 1140C itself has a USB cable and 4 USB conversion ports on the back;

Settings:
Base 5 buttons M key mode S key setting Up and down keys Trigger key Black dot.
Time setting: In the time state, press the S key for 3 seconds, and you will see the flashing. Select 12 hours, 24 hours.
Press the S key to confirm, then set the hour, press the S key, press the S key.
Year, month and day: press the trigger button to select the display year, long press the S button for 3 seconds. After flashing, press the up and down buttons to adjust the year;
Press the trigger button to display the day of the month, long press the S button for 3 seconds. After flashing, press the up and down buttons to adjust the day.
Alarm setting: Press the trigger button to select the alarm 1 icon, the up and down buttons to select the alarm sound, long press S
Set the time Press the S key to confirm, you can set 3 groups of alarms
Display setting: Press M key to select the time is always on; time year, month and day temperature switch display.
Birthday setting: press the trigger button to select the birthday icon, set the year, month, day, hour, minute, time to play 1 minute birthday song

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