This document describes the features and characteristics of the 5030/5092 1 MA0906-ChA watch, including display screen types, screen colors, button operations, timing functions, pointer time adjustment, calendar functions, and alarm functions.
This manual provides step‑by‑step instructions for operating the MAO806‑ChA watch. It covers setting the time and date, selecting 12‑hour or 24‑hour mode, and configuring the alarm and chime functions.
Additional sections describe the stopwatch, timer, and second‑time features, as well as battery replacement and technical specifications such as accuracy and measurement limits. This manual is written in Japanese.
| Accuracy (room temperature) | ±30 seconds per month |
|---|---|
| Time format | 12‑hour and 24‑hour modes |
| Battery type | SR726W silver battery (≈2 years life) |
| Stopwatch resolution | 0.01 s (1/100 s) |
| Stopwatch range | Maximum 59 min 59.99 s |
Enter the time‑setting screen, press the designated key (⑥) to adjust hours and minutes, and select either 12‑hour or 24‑hour mode as shown.
The watch uses a single SR726W silver battery, which typically provides about two years of operation.