how to calibrate epson smart board.(1) Analog-to-digital conversion chip AR7643: The output analog signal of the resistive touch screen needs to be converted into a digital signal by the analog-to-digital converter. In order to match the display resolution of 1024*768 or higher, the number of digits is required to be no less than 10 digits with an error of less than 0.1%. And in order to adapt to the response frequency of the USB interface (for example, 125Hz under Windows Vista), the conversion frequency should be above 100Hz. Special chips such as the AR7643 or AD7843 are well suited to meet your needs.
how to calibrate epson smart board.IQAio GR519 is highly integrated with multi-point infrared interactive whiteboard, central control system, wireless microphone, stereo amplifier system, OPS and other equipment, forming a perfect multi-media classroom solution together with a projector.
Support gesture recognition:
1 finger to write, 2 fingers to select, full palm to erase.
Enable 10/16/32 touch points for collaboration.
18 hotkeys on both sides for handy operation.
No special pen required
Bundled with IQ Interactive Education Platform Software 6.0 which has rich resources and tools to achieve a vivid class atmosphere.
Integrated design: Highly integrated multi-point infrared interactive whiteboard, central control system, wireless microphone, stereo amplifier system, built-in OPS and other equipment.
Cost-effective : Only with a projector, IQAio GR519 can form a perfect classroom solution.
One key operation to power on: all the devices will be powered on including interactive whiteboard, built-in OPS, projector, central control system etc.
No complicated devices connection: save much time for classroom devices management before teaching.
Rich ports: plug-n-play external computers.
Bundled with IQ Interactive Education Platform Software: to give a vivid and wonderful demonstration in class.
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