Samsung SP-L200 Owner's Instructions Manual page 31

Installation and Connection
Symptoms
No Power.
I want to install my projector on
the ceiling.
External Source can not be
selected.
Menu and Remote Control
Symptoms
Remote control does not work.
I cannot select a menu.
Screen and External Source
Symptoms
Cannot see picture images.
Poor color.
Images are not clear.
Strange noise.
The operating LED is lit up.
Lines appear on the screen.
No external device screen is displayed.
Only blue screen appears.
Screen is black and white or abnormal
color/ screen is too dark or bright.
Troubleshooting
Check the power cable connections.
The ceiling installation support is sold separately. Contact your local product
distributor.
Be sure that the connection cable(s) (video) is properly connected to the proper
port. If the device is not connected properly, it can not be selected.
Troubleshooting
Check whether your remote control is at a right angle and at the correct distance.
Remove any obstacles between your remote control and the product.
Direct lighting of 3-way light bulbs or other lighting device on the remote sensor of
the projector may affect the sensitivity and cause the remote control to malfunction.
Check if the remote control battery is empty.
Check whether the LED indicator on the top of the projector is turned on.
Check if the menu is displayed in gray. A gray-colored menu is unavailable.
Troubleshooting
Be sure that the power cord of the projector is connected.
Be sure that the proper input source is selected.
Check that the connectors are properly connected to the ports at the back of the
projector.
Check the Remote Control batteries.
Be sure that the <Color>, <Brightness> settings are not at their lower limit.
Adjust the <Tint> and <Contrast>.
Adjust the focus.
Check that the projection distance is either too far or too near to the screen.
If the strange sound continues, contact our
Refer to Corrective Actions According to LED
Because noise may occur when using your PC, adjust the frequency of the screen.
Check the operating status for the external device and check whether the
adjustment items, such as the Brightness and the Contrast have been changed
correctly in the <Mode> command screen of the Projector menu.
Be sure to properly connect the external devices. Check the connection cables
again.
As mentioned above, check the adjustment items such as the Brightness, Contrast
and Color in the menu.
If you want to restore various settings to their factory defaults, run <Factory
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Before Contacting Service Personnel
service center.
Indications.
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