This manual introduces the use of 4778 watches, including the setting of digital time and date, summer time setting, the setting of the city where you usually use the watch, 12/24 hour time setting, year setting, month and date setting, lighting duration setting, etc.
This manual provides step‑by‑step instructions for setting the digital time, date, DST, and selecting a residence city. It also covers how to adjust the 12/24‑hour format, lighting duration, and automatic illumination.
Additional sections describe the stopwatch, multiple alarm tones, countdown timer with auto‑repeat and progress alerts, world‑time display for dozens of cities, and safety warnings for using the illumination feature while moving. This manual is written in Chinese.
| Stopwatch measurement range | 59 min 59.99 sec |
|---|---|
| Year setting range | 2000‑2039 |
Press and hold the @ button until the seconds flash, then press @ once to open the DST setting screen and choose DST or standard time.
From the time‑setting screen, press @ to select the city name, then use @@ and @ to scroll through and confirm the desired city.