FAQs

The PPG signals are automatically collected while you are wearing your CART.
LED emits light to the blood vessels inside the finger, and then CART collects the light signals reflected in the bloodstream.

1) Tap Measure from the main screen of the CART app.

2) Tap Start, and then it will start the measurement in 5 seconds. Before the measurement starts, use the fingers of the other hand (without a CART) to gently cover/contact the metal part (bottom of CART) as shown in the figure below and measure it for 30 seconds.

3) While the measurement is in progress, the progress bar is displayed at the top of the screen. Do not move until the progress bar reaches 100%.

4) When the measurement is complete, the measured results appear on the screen. Press the Back icon at the top left to return to the main screen.

By tapping the ‘Report’ tab at the bottom of the screen, you can check the statistical data by period (daily, weekly, or monthly).

By tapping the ‘History’ tab at the bottom of the screen, you can see the previous self-check records.

It shows how long the AF lasted during the analyzable time. It is the time during which good and analyzable signals above a certain level were collected from the CART worn on your finger.

CART does not collect any signals while being charged. Take CART out of the cradle and perform the self-check again.

This message appears when there is no registered CART in the logged-in account. Go to Setting > My Device, and register your CART.

This message is displayed when the CART is poorly worn (on your finger). Please wear the ring properly.

You receive this message when the Bluetooth of your mobile device is disabled. Please enable the Bluetooth and then restart the CART.

This message appears when there is no network available. Please activate the network connection and try again.