After turning the device ON and ensuring the green “Ready” light is on, place the optical probe vertically on the baby’s sternum and press gently until the light flashes.

5. What does “Er1” mean on the screen?

It indicates a measurement error, usually because the measured value is out of range or the probe was improperly placed.

6. Can I save measurements in the device?

Yes. The device allows for saving measurement results when set to "Memory only" in the configuration menu.

7. How many measurements can be saved?

Up to 100 measurement results can be saved in the device memory.

Setup & Configuration

8. How do I configure measurement settings?

Press and hold the power button to turn on the device, select "Configuration" from the menu, and adjust settings such as measurement units, average measurements, memory, and screen brightness.

9. Can I change the measurement unit?

Yes, you can choose between mg/dL and µmol/L.

10. What is the purpose of average measurement?

To improve accuracy, you can set the device to calculate the average of 2–5 readings per measurement. We recommend using an average of 3 readings.

Charging & Maintenance

11. How is the BM-100A charged?

Place the device on the base after connecting the power adapter. A yellow light indicates charging; green indicates full charge.

12. Can the device be used while charging?

No. Clinical measurements must be done in battery mode only, not while charging.

13. How often should the device be calibrated?

Calibration is recommended every 12 months.

14. What if the device won't turn on even after charging?

This may be due to battery over-discharge. Battery activation might be needed using a 6V external voltage, preferably by professionals.

Cleaning, Disinfection & Storage

15. How should the optical probe be cleaned?

After each use, clean the probe with mild detergent and disinfect it with 75% alcohol. More information can be found in our cleaning guidance.

16. Can I use solvents like benzene to clean the device?

No. Solvents may damage the housing. Use only water or approved neutral solutions.

17. How often should the entire device be cleaned?

Clean the optical probe after every use. Clean the host and base weekly or biweekly depending on usage conditions.

Troubleshooting

18. What should I do if the screen goes blank during use?

If idle for more than 1 minute, the screen turns off to save power. Touch the screen to wake it up.

19. What if the charging indicator doesn't light up?

Ensure the power adapter and base are properly connected and the device is seated correctly on the base.

20. Why are measurement values fluctuating?

The probe may not be placed vertically, or the measurement area is affected by strong ambient light or electromagnetic interference.