Watch Catalog

Casio module 3569

Quartz module. 3569 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 3569

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 one second, until the seconds flash.
  2. Press C to step through the settings: seconds, summer time, Home City, hours, minutes, 12/24-hour format, year, month, day, light duration.
  3. On the seconds, press D to reset them to 00.
  4. On any other setting, use B and D to change it (hold for fast).
  5. Press A to finish.

Good to know

Resetting the seconds between 30 and 59 adds one minute.

Only the Home City time (T-1) can be set; the other Multi Time cities follow it.

From Casio's guide, page 8

Daylight saving time

  1. In the Timekeeping Mode, hold A for at least one second, until the seconds flash.
  2. Press C once to reach the summer time setting.
  3. Press D to choose OFF (standard time) or on (summer time).
  4. Press A to finish.

Good to know

For a World Time city, hold A for at least two seconds in the World Time Mode to switch its summer time; this affects that city only.

From Casio's guide, page 8

Home City

  1. In the Timekeeping Mode, hold A for at least one second, until the seconds flash.
  2. Press C twice to reach the Home City.
  3. Use B and D to pick the city code.
  4. Press A to finish.

Good to know

In the World Time Mode, press A and B together to swap the Home City and the World Time city.

From Casio's guide, page 8

Set an alarm

  1. Press C twice from the Timekeeping Mode to reach the Alarm Mode.
  2. Press D to pick an alarm, 1 to 5.
  3. Hold A for at least one second, until the hour digits flash.
  4. Use B and D to set the hour, press C, then set the minutes the same way.
  5. Press C, then press D to choose 1-on (one time) or on (daily).
  6. Press A to finish.

Good to know

In the Alarm Mode, press A on an alarm to cycle off, one time and daily; on the :00 screen, A turns the hourly signal on or off.

Hold D in the Alarm Mode to test the sound; press any button to stop an alarm.

From Casio's guide, page 11

Light

  1. Press L to light the face.
  2. In the Timekeeping Mode, hold L for at least three seconds to turn Auto Light on or off (LT shows while it is on).
  3. To change the duration, hold A in the Timekeeping Mode until the seconds flash, press C nine times, then press D to choose LT1 (1.5 seconds) or LT3 (3 seconds).
  4. Press A to finish.

Good to know

With Auto Light on, turning the watch 40 degrees or more toward your face lights it.

From Casio's guide, page 6

Button beep

  1. Hold C for at least three seconds to switch the button tone on or off.

Good to know

Do it with no setting screen open and no beeper sounding; the press also changes the mode.

MUTE shows while the tone is off; alarm and timer tones still sound.

From Casio's guide, page 14

Stopwatch

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

Good to know

It counts up to 23 hours 59 minutes 59.99 seconds, then starts again from 0.

From Casio's guide, page 12

Countdown timer

  1. Press C three times from the Timekeeping Mode to reach the Timer Mode.
  2. Hold A for at least one second, until the hours flash.
  3. Use B and D to set the hours; press C for the minutes and C again for the seconds.
  4. Press A to finish.
  5. Press D to start and pause the countdown; when it is paused, press B to reset it.

Good to know

Set 0:00 00 for a 24-hour countdown.

The beeper sounds for 10 seconds at the end; press any button to stop it.

From Casio's guide, page 14

Module 3569 specs

Type
quartz
Power
Approx. battery life: 10 years on CR2025 · other watches that take CR2025
Accuracy
±15 seconds per month
Functions
World time, Stopwatch, Timer, Alarm/hourly time signal, Light, Light color, Calendar, Mute feature, 12/24-hour format
Manual
Casio's operation guide for module 3569

Watches with the 3569