Module No. 3516

Time Adjustment

Your watch can connect with a phone to obtain information that it uses to correct its date and time setting.

Important!

Switch to Airplane Mode and use watch operations for time adjustment whenever you are inside an aircraft or any other area where phone use is prohibited or restricted.

Entering the Watch Airplane Mode
Using Watch Operations to Adjust the Time Setting

Automatically Connecting with a Phone to Sync the Current Watch’s Time Setting

Auto Time Adjustment

Your watch can connect with your phone to adjust the watch’s time setting.

If you leave your watch with the current time screen displayed, it will perform the adjustment operation automatically as you go about your daily life, without any operation required by you.

dig_img_casiowatch_plus_lunch_1230

Important!

The watch may not be able to perform auto time correction under the conditions described below.

While the watch is too far away from its paired phone

While communication is not possible due to radio interference, etc.

While the phone is updating its system

While the CASIO WATCHES phone app is not running on the phone

Note

If there is a World Time City specified with the CASIO WATCHES phone app, its time will also be corrected automatically.

Auto time correction is performed at the times described below.

After your phone’s time zone or summer time setting is changed

After 24 hours or more have passed since the last time adjustment using Bluetooth connection

After 24 hours or more have passed since the last home city change or time adjustment using watch operation

The watch remains connected with your phone even after time adjustment is complete.

If time adjustment fails for some reason, [FAILED] will appear.

Watch operation can be performed even while it is connected with your phone.

Connection with your phone is not possible while the watch’s Airplane Mode is enabled. To connect with your phone, disable the Airplane Mode.

Entering the Watch Airplane Mode

Manually Connecting with a Phone to Sync the Watch’s Time Setting

You can use the procedure below to connect manually with a phone that is already paired with the watch.

  1. Display the current time screen.

    2. Watch Mode

  2. Hold down (C) for at least two seconds.

    3. This enters the Control Mode.

  3. Use (C) to select [TIME ADJUSTMENT].

    4. 3516_TADJ_select

  4. Press (A).

    5. This starts Bluetooth connection.

    The acquired information appears on the watch display when time acquisition is successful.

    3516_TADJ_success

    [FAILED] appears if acquisition fails.

  5. Press any button and return to the TIME ADJUSTMENT screen.

  6. Press (D) to complete the setting operation.

Using Watch Operations to Adjust the Time Setting

When your watch cannot communicate with your phone for some reason, you can use watch operations to adjust date and time settings.

Setting a Home City

Use the procedure in this section to select a city to use as your Home City.

  1. Display the current time screen.

    2. Watch Mode

  2. Hold down (C) for at least two seconds.

    3. This enters the Control Mode.

  3. Use (C) to select [SETTING].

    4. 3516_SETTING

  4. Press (A).

    5. This displays the setting menu screen.

    3516_Set_Menu_caps

  5. Use (C) to move the pointer to [WATCH SETTINGS].

  6. Press (A).

  7. Use (C) to move the pointer to [HOME TIME].

  8. Press (A).

  9. Use (C) to move the pointer to [HOME TIME CITY].

  10. Press (A).

  11. Use (C) to move the pointer to the city you want to use as your Home City.

  12. Press (A) to complete the setting operation.

    13. After the setting operation is complete, a check mark appears for a few seconds, and then the home time setting screen re-appears.

  13. Hold down (D) for at least one second to return to the current time screen.

Configuring the Summer Time Setting

If you are in an area that observes summer time, you can also enable or disable summer time.

Note

The initial factory default summer time setting for all cities is [AUTO]. In many cases, [AUTO] lets you use the watch without switching manually between summer time and standard time.

  1. Display the current time screen.

    2. Watch Mode

  2. Hold down (C) for at least two seconds.

    3. This enters the Control Mode.

  3. Use (C) to select [SETTING].

    4. 3516_SETTING

  4. Press (A).

    5. This displays the setting menu screen.

    3516_Set_Menu_caps

  5. Use (C) to move the pointer to [WATCH SETTINGS].

  6. Press (A).

  7. Use (C) to move the pointer to [HOME TIME].

  8. Press (A).

  9. Use (C) to move the pointer to [DST].

  10. Press (A).

  11. Use (C) to select a summer time setting.

    12. [AUTO]

    Auto switching between standard time and summer time

    [OFF]

    Always standard time

    [ON]

    Always summer time

  12. Press (A) to complete the setting operation.

    13. After the setting operation is complete, a check mark appears for a few seconds, and then the home time setting screen re-appears.

  13. Hold down (D) for at least one second to return to the current time screen.

To adjust the date manually

  1. Display the current time screen.

    2. Watch Mode

  2. Hold down (C) for at least two seconds.

    3. This enters the Control Mode.

  3. Use (C) to select [SETTING].

    4. 3516_SETTING

  4. Press (A).

    5. This displays the setting menu screen.

    3516_Set_Menu_caps

  5. Use (C) to move the pointer to [WATCH SETTINGS].

  6. Press (A).

  7. Use (C) to move the pointer to [DATE & TIME].

  8. Press (A).

  9. Use (C) to move the pointer to [DATE SETTING].

  10. Press (A).

    11. This causes a cursor to appear under the year setting.

  11. Use (C) to change the year setting.

  12. Press (A).

    13. This moves the cursor to the month setting.

  13. Use (C) to change the month setting.

  14. Press (A).

    15. This moves the cursor to the day setting.

  15. Use (C) to change the day setting.

  16. Press (A) to complete the setting operation.

    17. After the setting operation is complete, a check mark appears for a few seconds, and then the current time setting screen re-appears.

  17. Hold down (D) for at least one second to return to the current time screen.

Note

Pressing (D) during the above procedure will go back one screen.

To correct the time manually

  1. Display the current time screen.

    2. Watch Mode

  2. Hold down (C) for at least two seconds.

    3. This enters the Control Mode.

  3. Use (C) to select [SETTING].

    4. 3516_SETTING

  4. Press (A).

    5. This displays the setting menu screen.

    3516_Set_Menu_caps

  5. Use (C) to move the pointer to [WATCH SETTINGS].

  6. Press (A).

  7. Use (C) to move the pointer to [DATE & TIME].

  8. Press (A).

  9. Use (C) to move the pointer to [TIME SETTING].

  10. Press (A).

    11. This causes a cursor to appear under the hour setting.

  11. Use (C) to change the hour setting.

  12. Press (A).

    13. This moves the cursor to the minute setting.

  13. Use (C) to change the minute setting.

  14. Press (A) to complete the setting operation.

    15. After the setting operation is complete, a check mark appears for a few seconds, and then the current time setting screen re-appears.

  15. Hold down (D) for at least one second to return to the current time screen.

Switching between 12-hour and 24-hour Timekeeping

You can specify either 12-hour format or 24-hour format for the time display.

  1. Display the current time screen.

    2. Watch Mode

  2. Hold down (C) for at least two seconds.

    3. This enters the Control Mode.

  3. Use (C) to select [SETTING].

    4. 3516_SETTING

  4. Press (A).

    5. This displays the setting menu screen.

    3516_Set_Menu_caps

  5. Use (C) to move the pointer to [WATCH SETTINGS].

  6. Press (A).

  7. Use (C) to move the pointer to [DATE & TIME].

  8. Press (A).

  9. Use (C) to move the pointer to [TIME FORMAT].

  10. Press (A).

  11. Use (C) to select [12H] (12-hour timekeeping) or [24H] (24-hour timekeeping).

  12. Press (A) to complete the setting operation.

    13. After the setting operation is complete, a check mark appears for a few seconds, and then the current time setting screen re-appears.

  13. Hold down (D) for at least one second to return to the current time screen.

    14. While 12-hour timekeeping is selected, [P] will be displayed for p.m. times.

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