1759 User Manual

Real Time Mode

Time Setting:

1. Press and hold [C Key] for 2 seconds to enter time setting state. The "Second" will flash.
2. Press [D Key] to reset seconds to zero.
3. Press [B Key] to select the item to set, in the following sequence: Second → Hour → Minute → Year → Month → Day.
4. Press [D Key] to adjust the flashing item.
5. Press [C Key] to return to Real Time Mode.
6. Second Adjustment: When seconds are between 30 to 59, pressing [D Key] resets them to 00 and adds 1 to the minutes. When seconds are between 00 to 29, pressing [D Key] resets them to 00, and minutes remain unchanged.
7. 12/24-Hour Format: In timekeeping mode, use [D Key] to toggle between 12-hour (12H) and 24-hour (24H) timekeeping.

Alarm Mode

Turn On / Off Alarm and Chime:

• Press [C Key] to turn on/off the Alarm and Snooze [?].
• In Alarm Mode, press [D Key], then press [C Key] to turn on/off [?] the hourly chime.

Alarm Setting:

1. Press and hold [C Key] for 2 seconds to select "Hour" setting.
2. Press [B Key] to select "Minute" setting.
3. Press [D Key] to adjust the flashing item.

When the Alarm is ON, the alarm symbol [?] will flash once it reaches the set time. After 10 seconds, it will stop automatically.

Snooze Function: The alarm tone sounds at the preset time for 10 seconds, regardless of the watch's current mode. The snooze operation repeats a total of seven times, every five minutes, until the alarm is turned off. The snooze alarm indicator [?] will flash during this period.

Chronograph Mode

The display range of the stopwatch is 23 hours, 59 minutes, 59.99 seconds.

The stopwatch continues to run, restarting from zero after it reaches its limit, until stopped. The measurement operation continues even if you exit the Stopwatch Mode.

Exiting the Stopwatch Mode while a split time is frozen clears the split time and returns to elapsed time measurement.

To measure times with the stopwatch:

• Elapsed Time: [D Key] Start → [D Key] Stop → [D Key] Re-Start → [D Key] Stop → [D Key] Clear.
• Split Time: [D Key] Start → [C Key] Split (SPL displayed) → [C Key] Split release → [D Key] Stop → [C Key] Clear.
• Two Finishes: [D Key] Start → [C Key] Split (First runner finishes, display time of first runner) → [C Key] Split release → [D Key] Stop (Second runner finishes, display time of second runner) → [C Key] Clear.

Dual Time Mode

In the Dual Time Mode, press and hold [C Key] until the hour setting starts to flash, indicating the setting screen.

• Press [B Key] to change the selection.
• Press [D Key] to increase the setting.
• Press [C Key] to exit the setting screen.

Countdown Mode

In the Countdown Mode, press and hold [D Key] until the hour setting of the countdown start time begins to flash, indicating the setting screen.

• Press [D Key] to Start/Stop countdown.
• When stopped, press [C Key] to return to the first setting time.
• The timer alarm sounds for approximately 10 seconds when counting down to 0:00:00. The timer automatically resets to its starting value after the alarm stops.
• Press [C Key] for 2 seconds to enter countdown time setting.

Countdown Time Setting:

1. Press [B Key] to adjust "Hour" and then "Minute".
2. Press [D Key] to adjust the flashing item.
3. Press [C Key] to confirm.

Remarks: The countdown timer can be set within a range of 1 minute to 24 hours. An alarm sounds when the countdown reaches zero.