Press the button to confirm the year. The month digits will now begin flashing.

| Problem | Possible Cause | Solution | | :--- | :--- | :--- | | | Batteries are drained, not inserted correctly, or not making contact. | Check battery polarity (+/-). Replace old batteries with new AAA batteries. | | Readings seem too high or too low | Your wrist is not at heart level. You moved or talked during measurement. Cuff is on too tight or too loose. | This is the most common error for wrist monitors. Ensure your wrist is level with your heart. Repeat the measurement while staying still and silent. Adjust the cuff for a snug, comfortable fit. | | Error symbol appears (e.g., E1, E2, E3) | Movement during measurement, interference, or low battery. | Relax for a minute, then take another reading, staying completely still. Check and replace batteries if the low battery symbol is flashing. | | Cuff doesn't inflate | Blocked air tube or severe battery issue. | Check the tube for kinks and ensure it is connected properly. If not, replace the batteries. | | Date and time are wrong | Batteries were replaced, or the device was reset. | Use the Date and Hour/Minute buttons (often combined with the Memory button) to reset the correct date and time. |

Remove any tight clothing, watches, or jewelry from your left wrist. Applying the Wrist Cuff

Whether you’ve just unboxed your device or lost your original paperwork, this guide serves as a comprehensive manual to help you get accurate readings every time. 1. Key Features of the CK-102S

Technuv Ck-102S Digital Automatic Wrist Blood Pressure Pulse

The CK-102S is an oscillometric blood pressure monitor that measures systolic and diastolic pressure, as well as pulse rate, from the wrist artery. Its key components include:

Achieving accurate results depends heavily on proper preparation.

Reposition the cuff correctly on the wrist and ensure it rests directly against bare skin. The device failed to detect the diastolic pressure signal.

: Cycles backward through the saved data logs.