ViewSonic IFP9850 IFP9850 User Guide - Page 115

Touch Func°on

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Touch Function Problem or Issue Touch function does not work Possible Solutions 1. Check that drivers are installed correctly. 2. Reinstall driver(s). 3. Check setup and align it. 4. Check whether the touch pen is working properly. Video Not Working Properly Problem or Issue Possible Solutions No picture/ No sound 1. Check the Power status. 2. Check the signal cable. 3. Check that the internal PC is installed correctly. Picture is unclear or cuts in and out 1. Check the signal cable. 2. Check if other electronics are interrupting the signal. Poor picture 1. Adjust chroma, brightness, and contrast settings in the menu. 2. Check the signal cable. Audio Not Working Properly Problem or Issue Possible Solutions No sound 1. Press the Mute/Unmute button. 2. Adjust the volume. 3. Check the audio cable. One speaker only 1. Adjust the sound balance in the menu. 2. Check the sound control panel settings of the computer. 3. Check the audio cable. 115

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115
Touch Func°on
Problem or Issue
Possible Solu°ons
Touch func°on does
not work
1.
Check that drivers are installed correctly.
2.
Reinstall driver(s).
3.
Check setup and align it.
4.
Check whether the touch pen is working properly.
Video Not Working Properly
Problem or Issue
Possible Solu°ons
No picture/ No sound
1.
Check the Power status.
2.
Check the signal cable.
3.
Check that the internal PC is installed correctly.
Picture is unclear or
cuts in and out
1.
Check the signal cable.
2.
Check if other electronics are interrup°ng the signal.
Poor picture
1.
Adjust chroma, brightness, and contrast se±ngs in the
menu.
2.
Check the signal cable.
Audio Not Working Properly
Problem or Issue
Possible Solu°ons
No sound
1.
Press the Mute/Unmute bu²on.
2.
Adjust the volume.
3.
Check the audio cable.
One speaker only
1.
Adjust the sound balance in the menu.
2.
Check the sound control panel se±ngs of the
computer.
3.
Check the audio cable.