This is the SKMEI 2022 operation manual. It is a five-mode digital watch on a 13-digit LCD — time, alarm, stopwatch, dual time and countdown — with a daily alarm and hourly chime, a 1/100 second chronograph and an EL backlight. Four keys run all of it.
Jump to: Keys · Modes · Time and date · Alarm · Stopwatch · Dual time · Countdown · If something looks wrong
The four keys
The drawing fixes the positions, and the labels double as job descriptions:
- A — lower right, LIGHT. At any state, pressing A lights the EL backlight for 3 seconds.
- B — lower left, MODE. It steps the watch through the five modes, and inside a setting it moves to the next item.
- C — upper left, RESET. A 2-second hold opens the setting for whichever mode you are in, and a short press closes it again — except in alarm mode, where a short C press switches the alarm.
- D — upper right, START. It changes the flashing value, starts and stops the stopwatch, and steps through the stopwatch's split readings.
Parts of that list come from the drawing rather than the text: the leaflet writes its instructions as "press C key" and "press D key" without naming the sides. The letters here follow the picture.
The five modes
B moves forward only, one press per mode, and there is no key that steps back: Timing → Alarm → Stopwatch → Dual Time → Countdown → Timing. The manual calls this out once, in the dual time section, where it says three presses of B from timing mode reach dual time — the third mode along, which matches the drawing.
Timing mode: setting the date and time
Hold C for 2 seconds and the seconds flash. From there the chain is fixed:
- Second — flashing when you enter. Press D to zero it.
- Hour — then Minute, then Year, then Month, then Day. Press B to walk the chain; press D to change the flashing item.
- Hold D for 2 seconds instead of tapping it and the value runs quickly.
- Press C to return to timing mode.
The item order is Second → Hour → Minute → Year → Month → Day, in that sequence. Note what is missing: the hour comes before the minute, and there is no separate 12/24-hour item in the chain.
The seconds rule. Pressing D while the seconds read 30 to 59 sets them to 00 and adds one to the minutes; in the range 00 to 29 the minutes are left alone. That is the manual's own wording, and it means a zeroing never loses more than half a minute.
12/24-hour. In timing mode, press D — outside the setting — to toggle between 12-hour and 24-hour timekeeping. The display shows 12H or 24H, and your timing-mode screen in the drawing carries a small P beside the minutes, which is the afternoon marker of the 12-hour format.
Alarm mode
Two different things live in this mode and they are switched on differently.
Alarm and snooze. Press C to turn the alarm (ALM) and snooze (SNZ) on or off together. One press does both.
Hourly chime. In alarm mode, press D first, then press C to turn the hourly chime (SIG) on or off. The D press is what separates this from the alarm switch.
Setting the alarm time. Hold C for 2 seconds and the hour flashes. Press B to move through the items — hour, minute, month, day — and D to change the flashing one, with a 2-second hold of D for fast advance. The manual lists month and day among the alarm items without saying what they do; they are simply in the chain.
What happens at the set time. With the alarm on, the ALM symbol flashes when the time is reached, and the signal stops by itself after 10 seconds.
Snooze. With snooze on, the alarm sounds once every 5 minutes for 10 seconds each time, seven times in total, and ALM and SNZ flash together throughout. Seven soundings five minutes apart put the last one half an hour after the first.
Stopwatch
The chronograph counts in 1/100 second and the leaflet gives three ways to use it. They are key sequences, not settings, so nothing needs to be entered first:
| Use | Key sequence |
|---|---|
| Elapsed time | D start → D stop → D restart → D stop → C clear |
| Split time | D start → C split (SPL displayed) → C split release → D stop → C clear |
| Two players | D start → C split as the first runner finishes (their time is displayed) → D stop as the second finishes → C split release (the second time is displayed) → C clear |
The difference between the first two rows is what the middle presses do. Elapsed time never leaves the timing, so every press is D until the clear. Split freezes the readout with C while the count continues behind it, and the second C releases the display back to the running time.
Dual time
From timing mode, three presses of B bring you to dual time. Hold C for 2 seconds there and the hour flashes; B moves to the minute, D changes the flashing item, and a 2-second hold of D advances it quickly. Press C again to finish and return to the dual time display.
That is the whole section — the second time zone has its own hour and minute, set independently of the main clock.
Countdown
The timer counts down from anything up to 24 hours. When it reaches 0:00:00 an alarm sounds for about 15 seconds, and when the alarm stops the timer resets itself to the value you started from.
Setting it. Hold C for 2 seconds and the hour flashes. B switches between the hour and the minute, D changes the flashing item, and C completes the setting.
Running it. D starts and stops the count. C returns the display to the starting value once the count is stopped.
If something looks wrong
| What you see | What it means | What to do |
|---|---|---|
| Nothing flashes when you hold C | C must be held for the full 2 seconds | Keep holding C until the first item flashes |
| You cannot get back to an earlier setting item | B only steps forward through the chain | Press C to leave, then re-enter the setting and step forward again |
| The alarm sounds every hour on the hour | The hourly chime (SIG) is on | In alarm mode, press D then C to switch SIG off |
| The alarm keeps sounding after you stop it | Snooze (SNZ) is on and repeats seven times | Press C in alarm mode to switch ALM and SNZ off |
| The stopwatch displays a frozen time | A split is being held | Press C to release the split, then D to stop |
Source: the printed SKMEI 2022 operation manual supplied with the watch, whose English page carries the feature list, the five mode sections and the three stopwatch sequences reproduced here; all three figures are the leaflet's own drawings. The key positions, the mode order and the stopwatch flows come from those drawings. The explanation of what separates the split sequence from the elapsed one, the arithmetic on the snooze repeats, the note on the missing 12/24-hour setting item, and the troubleshooting table are our own. Where the manual is silent — what the month and day do in the alarm setting, and whether anything other than the 2-second C hold leaves a setting — this page says so rather than filling the gap.