Upload a quick (10s) measurement of the heartrate to validate whether the hand is placed on the device properly.
- The device must be connected to the internet.
- An unprocessed heartrate test measurement must exist.
- Uploads a heart test measurement to the servers, validating whether the hand is placed on the scanner properly.
- On success: The measurement has been evaluated successfully, and the hand seems to be covering the device.
- On bad measurement: The evaluation has failed, or the hand is not placed properly.