可视角度方面也没有任何问题。即使从侧面以非常陡峭的视角观看显示屏，也能非常清晰地识别图像，不会出现任何色彩失真。Motion: Activate and utilize the accelerometer or other motion-sensing feature on your device. Tunes library: Accessibility any tunes data files from the Tunes library on the device.