Watch Catalog

Casio module 3481

Quartz module. 3481 is the number engraved on the caseback of these watches, and Casio files its operation manual under it. 1 watch in the catalog runs on it.

How to operate module 3481

Short steps in our words. The buttons are lettered as in Casio's operation guide, where each task's page is given.

Set the time and date

  1. In the Timekeeping Mode, hold A for at least two seconds to open the setting menu.
  2. Move the pointer to TIME ADJUSTMENT with A and D, and press C.
  3. Move the pointer to MANUAL and press C: a cursor appears under the hour.
  4. Change the hour with A and D, then press C to move on to the minute.
  5. Set the minute, year, month and day the same way, pressing C after each.
  6. Choose YES with A and D and press C to save.
  7. Press E twice to leave the setting screen.

Good to know

Paired with a phone running the CASIO WATCHES app, the watch sets its time on its own; the manual setting is for when it cannot connect.

For 12/24-hour format, pick 12/24H instead of MANUAL under TIME ADJUSTMENT.

From Casio's guide, page 7

Daylight saving time

  1. In the Timekeeping Mode, hold A for at least two seconds to open the setting menu.
  2. Move the pointer to HOME TIME with A and D, and press C.
  3. Move the pointer to DST and press C.
  4. Choose AUTO, OFF or ON with A and D.
  5. Press C to confirm, then E twice to leave.

Good to know

AUTO, the factory setting, switches between summer and standard time by itself.

From Casio's guide, page 7

Home City

  1. In the Timekeeping Mode, hold A for at least two seconds to open the setting menu.
  2. Move the pointer to HOME TIME with A and D, and press C.
  3. Move the pointer to CITY and press C.
  4. Move the pointer to the city you want with A and D.
  5. Press C to confirm, then E twice to leave.

From Casio's guide, page 7

Set an alarm

  1. In the Timekeeping Mode, hold A for at least two seconds to open the setting menu.
  2. Move the pointer to ALARM with A and D, and press C.
  3. Move the pointer to the alarm you want and press C.
  4. Choose OFF, ON or ON (SNZ) with A and D, and press C.
  5. Set the hour with A and D, press C, then set the minute and press C.
  6. Choose YES and press C to save, then press E twice to leave.

Good to know

There are four alarms. With snooze on, the alarm repeats every five minutes up to seven times.

Press any button to stop a sounding alarm.

From Casio's guide, page 22

Light

  1. Press B to light the face.
  2. For Auto Light, hold A for two seconds in the Timekeeping Mode, go to LIGHT, then AUTO LIGHT, pressing C after each.
  3. Choose ON or OFF with A and D, press C, then E twice to leave.

Good to know

Auto Light turns the light on when you tilt the watch towards you by 40 degrees or more, and switches itself off after about six hours.

The DURATION item in the same LIGHT menu sets 1.5 or 3 seconds.

From Casio's guide, page 5

Button beep

  1. In the Timekeeping Mode, hold A for at least two seconds to open the setting menu.
  2. Move the pointer to BEEP with A and D, and press C.
  3. Move the pointer to OPERATION and press C.
  4. Choose ON or OFF with A and D, and press C.
  5. Press E twice to leave.

From Casio's guide, page 24

Stopwatch

  1. From the Timekeeping Mode, press D twice to reach the Stopwatch Mode.
  2. Press C to start, C to stop, and C again to carry on.
  3. When it is stopped, press E to reset it to zero.
  4. For a split time, press E while it runs; press E again to release the split.

Good to know

It counts in 1-second steps up to 99 hours 59 minutes 59 seconds.

From Casio's guide, page 21

Countdown timer

  1. From the Timekeeping Mode, press D once to reach the Timer Mode.
  2. Hold A for at least two seconds; set the number of repeats (1 to 20) with A and D, and press C.
  3. Pick the timer's place in the sequence with A and D, and press C.
  4. Set the minutes with A and D, press C, then set the seconds and press C.
  5. Choose YES and press C to save.
  6. Press C to start and to pause the countdown; when it is paused, press E to go back to the start time.

Good to know

Up to five timers can run one after another for interval training; set each one the same way.

At zero the watch sounds and/or vibrates for 10 seconds; press any button to stop it.

From Casio's guide, page 19

Module 3481 specs

Type
quartz
Power
Approx. battery life: 2 years on CR2032 · other watches that take CR2032
Accuracy
±15 seconds per month (with no mobile link function)
Functions
World time, Stopwatch, Timer, Alarm/hourly time signal, Light, Light color, Calendar, Mute feature, Energy saving feature, 12/24-hour format, Flight mode, User profile creation, Vibration on/off, Vibrator, Sensor feature details
Manual
Casio's operation guide for module 3481

Watches with the 3481