This operation guide explains how to use the Casio 3263MA1007-EA watch, covering timekeeping, world time, alarms, stopwatch, countdown timer, and…
The guide provides step‑by‑step instructions for all functions of the Casio 3263MA1007‑EA watch. It describes how to navigate between modes, adjust settings such as daylight‑saving time, city codes, and illumination duration, and explains the behavior of indicators and button tones.
Additional sections cover the alarm system (daily and one‑time alarms, hourly time signal), the countdown timer, stopwatch operation, auto‑light switch precautions, and detailed reference information including specifications, city‑code tables, and battery life expectations.
| Accuracy at normal temperature | ±15 seconds a month |
|---|---|
| Battery type | One lithium battery (CR2025) |
| Time format | 12‑hour and 24‑hour |
| Alarms | 5 alarms (One‑time or Daily) |
| Stopwatch measuring capacity | 23:59’ 59.99” |
| Illumination | LED with selectable duration |
Hold down the B button for about three seconds; this toggles the auto light switch on or off.