013 | EN You can tap this icon to manually activate the shutter to calibrate the temperature once. You can tap this icon to enable or disable the audio recording feature. You can tap this icon for more options. This menu bar appears at the bottom of the screen. You can tap each icon for more functions. This icon is highlighted by default. When it is highlighted, the app is ready for you to take photos or videos. When you tap this icon, a sub-menu bar will appear. You can tap this icon and then draw a dot on a photo/video that you are taking or on a captured photo. The app will present the temperature at this dot. You can at most draw three dots on a photo/video.
When you draw the fourth one, the first one will be cleared. You can tap this icon and then draw a line on a photo/video that you are taking or on a captured photo. The app will present the highest and lowest temperatures on this line. You can at most draw three lines on a photo/video. When you draw the fourth one, the first one will be cleared.