Casio 3165 User Manual

About this manual

This manual explains how to operate the Casio 3165 watch. It describes the various modes such as Timekeeping, Countdown Timer, Stopwatch, Second Time Zone and Dynamic Display, and provides step‑by‑step instructions for setting the time, date, and display style.

The guide also covers auxiliary features like the two‑LED illumination, automatic return to Time mode, and the flashing alarm function, as well as reference information for technical details and troubleshooting. This manual is written in Chinese.

What's inside

• Timekeeping Mode
• Countdown Timer Mode
• Stopwatch Mode
• Second Time Zone Mode
• Dynamic Display Function
• LED Illumination
• Reference Data
• Automatic Return

Specifications

Frequently asked questions

How do I set the time and date on the Casio 3165?

In Timekeeping mode, press and hold the @ button until the seconds flash, then use the @ button to adjust hours, minutes, month, day and year.

How do I enable or disable the Dynamic Display function?

Enter a mode, press @ repeatedly to open the Dynamic Display setting screen, then press @ to turn it on (ACTON) or off (OFF).

What does the LED backlight do and how long does it stay on?

Press the illumination button to light the display for about one second; the light then flashes for roughly half a second before turning off.