ViewSonic IFP7550 IFP8650 User Guide English - Page 58

Trouble Shooting

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5. Trouble Shooting Remote control is out of order 1. Check whether something is obstructing the display's remote control receiver. 2. Check whether the batteries in the remote control are installed correctly. 3. Check whether the batteries need to be replaced. The unit turns of unexpect- 1. Check whether Sleep mode is enabled. edly 2. Check if there is a power outage in your area. 3. Turn on the display and see if the problem is with the signal and control system. PC mode No PC signal Background streaking False color Unsupported format 1. Check the display settings. 2. Check the display resolution. 3. Adjust the Hs & Vs (synchronization) settings using the OSD menu. 1. Choose auto adjust. 2. Adjust clock and phase. 1. Check the VGA connection. 2. Adjust chroma, brightness and contrast settings. 1. Choose auto adjust. 2. Adjust clock and phase settings. Touch Function Touch function does not work 1. Check that drivers are installed correctly. 2. Reinstall driver. 3. Check setup and align it. 4. Check whether the touch pen is working properly. 50

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5. Trouble Shooting
Remote control is out of
order
1.
Check whether something is obstructing the
display’s remote control receiver.
2.
Check whether the batteries in the remote control
are installed correctly.
3.
Check whether the batteries need to be replaced.
The unit turns of unexpect-
edly
1.
Check whether Sleep mode is enabled.
2.
Check if there is a power outage in your area.
3.
Turn on the display and see if the problem is with
the signal and control system.
PC mode
No PC signal
1.
Check the display settings.
2.
Check the display resolution.
3.
Adjust the Hs & Vs (synchronization) settings using
the OSD menu.
Background streaking
1.
Choose auto adjust.
2.
Adjust clock and phase.
False color
1.
Check the VGA connection.
2.
Adjust chroma, brightness and contrast settings.
Unsupported format
1.
Choose auto adjust.
2.
Adjust clock and phase settings.
Touch Function
Touch function does not
work
1.
Check that drivers are installed correctly.
2.
Reinstall driver.
3.
Check setup and align it.
4.
Check whether the touch pen is working properly.