This manual explains how to use the watch, including the stopwatch mode, world time mode, alarm mode, and pointer setting mode. It also details how to set the digital time, summer time, local city code, 12/24 hour time system, etc.
This manual provides step‑by‑step instructions for operating the Casio 4398 watch, covering basic time display, 12‑hour/24‑hour formats, daylight‑saving adjustments and city‑code selection for world‑time mode. It also details the stopwatch function, hand‑setting mode and back‑light operation.
Additional sections describe how to change the city code, enable or disable DST, and how the watch automatically updates date, month and year within the supported range of 2000‑2099. This manual is written in Chinese.
| Stopwatch maximum time | 59 min 58.99 sec |
|---|---|
| Supported year range | 2000‑2099 |