1.Long press A to switch the color.
2. Stopwatch: Press B 1 time to enter the stopwatch page. Press C to start or pause, D to zero.
3. Alarm & Hour chime: press B key 2 times, press C key repeatedly to select on or off. Alarm time setting: Press D once for this page. Repeatedly press C for the correct value and press D to select Select Minute-Hour.
4.Time Setting: Press B 3 times to enter the time setting page. Repeatedly press D to select what you want to set (seconds-minutes-hours-months-days-weekends), repeat pressing C is to select the correct value.The seconds setting can be zeroed by pressing C.
Note: The number jumps, which means the value is being set.