This document is about the 3230/3232 Ch-9 manual, which describes the features and characteristics of E series and D series products.
This manual covers all operating functions of the Casio 3230/3232 watch. It explains how to set the time, date, 12/24‑hour mode, and various alarm types, as well as how to use the backlight and countdown timer.
Additional sections describe the watch’s measurement accuracy, illumination type, and battery specifications, including replacement instructions and expected battery life. This manual is written in Chinese.
| Battery type | CH2016 |
|---|---|
| Battery life | Approximately 2 years |
| Measurement unit | 1/100 second (first 60 minutes) |
| Measurement range | 23 h 59 min 59 s |
| Illumination type | EL (electroluminescent) backlight |
Press and hold the @ button for about 2 seconds to set or clear the backlight function.
The watch uses a CH2016 battery, which typically provides power for about two years under normal use.
The stopwatch measures time in 1/100‑second increments for the first 60 minutes.
The stopwatch can record up to 23 hours 59 minutes 59 seconds.