This document provides the operation guide for CASIO watches, including the solar power charging function, radio-controlled atomic timekeeping function, and important precautions.
This operation guide introduces the Casio 4749 1MO0701-EA watch, covering basic handling, power supply via a solar cell, and button functions. It explains how to keep the rechargeable battery charged by exposing the watch to bright light and describes the power‑saving levels that affect which functions remain active.
The manual details radio‑controlled atomic timekeeping, Home City selection, daylight‑saving settings, and signal‑reception troubleshooting. It also provides step‑by‑step procedures for using the stopwatch, tide graph, and manual or automatic signal‑receive modes.
| Power source | Solar cell with rechargeable battery |
|---|---|
| Battery level disabling functions | Functions disabled at Level 3 |
| Signal frequency (Germany/UK) | 60.0 kHz |