Describes how to use the watch, including basic operations, digital time and date, and daylight saving time
This manual provides step‑by‑step instructions for using the Casio 2753 and 3333 watches. It covers basic operation modes such as time‑keeping, world time, alarm, countdown timer, stopwatch, and pointer setting, as well as special features like automatic illumination and power‑saving.
The guide also details battery management, charging procedures, and safety warnings. All illustrations refer to model 2753, but the instructions apply equally to model 3333. This manual is written in Chinese.
| Battery type | CTL1616 rechargeable battery |
|---|---|
| Power source | Solar cell plus rechargeable battery |
| Display illumination | EL (electroluminescent) panel |
| Battery life after full charge | ≈11 months of continuous timing |
Press and hold the L button for about 2 seconds to toggle automatic illumination on or off; it lights the display when the watch is turned toward you in low light.