The display changes when you swap memory pages so you need not copy an Image object from program memory to video memory; you merely change video Pointers and the display changes.
Moreover, despite having a colour display, the FLEPia takes two seconds to switch from one image to another, so video is out of the question, and even reading books can be painfully slow.
此外，尽管FLEPia有了彩色屏幕，切换图片耗时却达2秒，视频也根本不行，甚至读书也慢得叫人难受。
3
The system can implement the switch the image, record video and display thee-map function with alarm linkage.