digital whiteboard pc. 3. In order to ensure a good display effect on the board surface, the board surface needs to be cleaned frequently. If the whiteboard is used frequently, it is best to clean it once a week or so to maintain optimal clarity. The user is reminded that the interactive whiteboard should first exit the system before cleaning the electronic whiteboard panel. Because touching the screen while the computer is in another state (for example, when a program is open or on the desktop), pressing the screen activates the program or messes up the icon. After exiting the system, turn the projector into standby mode, which makes it easier to display stains and streaks. When moving the copyboard, do not touch the screen or wipe the whiteboard.. The IQAio GR519 is an upgraded lightweight version based on the original IQAio GR511. The original dual-cavity structure was changed to a bottom-edge structure, so that the minimalist design accommodates modern classrooms and conference rooms. With one IQProjector V2 and one IQView E3821, you can achieve flexible and intelligent classroom.