Changchun Jida Scola Co.,Ltd Boyi III Electronic Whiteboard Instruction Manual
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Setting of Correct Resolution
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Set most suitable resolution for the computer and the projector. If the resolution is set incorrectly, it will
be difficult to see the image. Especially, if the resolution of the projector is lower than that of the
computer, the filament will switch off the display.
For information about adjustment of resolution, please refer to the instruction of the projector.
Do not look at the projection lamp directly.
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When using projection lamp, do not look at it directly, or your eyes may be damaged.
System Setting (Calibration)
About Calibration
As the projected image changes in size from time to time, calibration should be conducted before
using the projector. Through calibration, the size of current projected image is transferred to the
electronic whiteboard software, so as to make sure the software responses to the operation by user
at accurate position.
After Calibration
Do not move the receiver or the projector.
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Under the following circumstances, the position of projected image and the electronic pen will deviate
and should be calibrated again.
√ The position of the projector is changed.
√ The position of the receiver is changed.
√ The image area and image orientation are changed due to changes in scaling, focal length, etc.
√ The resolution of the projector or computer is changed.
Start the Electronic Whiteboard Software for Calibration
1. Use USB cable to connect the electronic whiteboard and the computer.
2. Open the electronic whiteboard software.
3. Calibrate.
4. According to the appearing order of the points as shown in the diagram, press down the electronic pen
at the center of each point (nine in total) until each point moves to the next position.
