A guide to using the Digital Crown, side button and gestures to get the most from your Apple Watch. Learn how to respond to messages, catch up on your notifications, change settings in Control Center and use Apple Pay.    Topics covered in this video guide: 0:05 Messages and notifications 1:15 Control Center 1:35…

With the ECG app on Apple Watch Series 4, you can take an electrocardiogram right from your wrist. Electrodes built into the Digital Crown and the back crystal work together with the ECG app to read your heart’s electrical signals. Simply touch the Digital Crown to generate an ECG waveform in just 30 seconds. The…