The clock screen on the watch shows the current time, according to the smartphone you synced it with. To access the main menu, tap on the menu button. The main menu has 6 different menu options, which provide information about your activity, heart rate, sleep, time functions and settings. You can manually add information about your food intake in the dedicated menu section. Tap on the touch ring near the icon of the menu option you want to access. To return to the main menu, tap on the menu button. From the main menu, return to the clock screen by tapping the menu button again.