This is the user manual of MA0509-CkA watch, which introduces the function and usage of the watch.
This manual provides step‑by‑step instructions for all operating modes of the Casio 3793 digital watch, including time setting, alarm configuration, countdown timer, stopwatch, pointer adjustment, phone memory, and world time. Each mode is described with button sequences and visual cues displayed on the watch.
Additional sections cover reference data such as city codes for world time, character lists for phone memory entry, and lighting instructions. The guide also notes automatic return to time mode after periods of inactivity and battery‑saving tips for the LED illumination. This manual is written in Chinese.
| Year setting range | 2000‑2099 |
|---|---|
| Daily alarms | 3 separate alarms (2 single‑tone, 1 intermittent) |
| Phone memory capacity | 30 records (name + number) |
| World time cities | 30 cities |
| LED illumination | 2 LEDs with light guide plate |
In timing mode, press the D button to toggle between 12‑hour (with A/P indicator) and 24‑hour display.