How to adjust the clock of electronic perpetual calendar faster and faster?

Open the watch, there is a circuit board inside, next to a CPU integrated block is a crystal oscillator 1MHZ. If you sell it, buy one and weld it, which is caused by crystal vibration deviation.

Brief introduction to the functions of control keys:

A: Now the time has been set and moved.

B: add and alarm switch on the hour.

C: reduce.

D: Quit and tell the time.

Second, the current time setting:

1. Time adjustment (use the time adjustment button).

Press the "A" key, and the "Year" flashes; Press "b" or "c" to set it to "202 1" year.

Press the "A" key again and the "Month" will flash. Press "B" or "C" to set it to "9" months.

Press the "A" key again and the "Day" will flash. Press "b" or "c" to set it to "12" day.

Press the "A" key again and the "hour" will flash. Press "B" or "C" in the morning to set it to "10".

Press the "A" key again and the "Minute" will flash. Press the "b" or "c" key to set it to "38" minutes.

Every time the value of Minute is adjusted, the time will start from "00".

After adjusting the date and time, if you don't set the alarm clock, you can press the "D" key to exit directly, or press the "A" key continuously until you exit. For the model with no second display, just press the "D" key to exit after adjusting the "Minute" and it can be used normally.

2. Set the alarm clock:

After setting the date and time, press the "A" key to enter the alarm clock setting, and the serial number of the alarm clock will be displayed in the position of the digital tube, and the serial number will flash. Press "B" or "C" to select one of the alarm settings 1 ~ 5.

Blink when pressing the "A" key again, and press the "B" or "C" key to adjust to the set value; Press the "A" key to flash again, and press the "B" or "C" key to adjust to the set value.

Press the "A" key again, and the status of the alarm switch will be displayed in the position of the day digital tube, with "On" being on and "Off" being off; Press "b" or "c" to turn off or turn on this alarm; Press the "A" key again to exit the alarm setting.

Note: As long as 1 or over 1 of the five alarms is set to ON, the alarm indicator will light up, and only when all alarms are turned off will the alarm indicator light go out.

3. The hour alarm clock settings:

During normal operation, press the "B" key, and the hourly alarm indicator on the panel indicates that the hourly alarm is turned on, otherwise, the hourly alarm indicator indicates that it is turned off.

Three. Instructions and precautions:

In the process of setting time, press the "D" key to exit the setting directly, but the adjustment will be saved.

In the process of setting the alarm, press the "D" key to exit the setting directly, but the adjustment will be saved.

This product has a built-in lithium battery, which can save data for a long time when power is off.

The perpetual calendar is suitable for indoor environment with -20℃-60℃ and relative humidity of 45%-80%.

If the time does not move, just readjust the time, and it will resume normal operation in about 5 seconds after exiting.

Call again after power failure, the time can't be displayed normally or the digital tube doesn't light up. Plug in the power supply after power failure to restore normal display.