Scientific Atlanta Explorer 4250HD, Руководство пользователя

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Performance Tips
If the 4250HD does not perform as expected, the following tips may help. If you need further assistance,
contact your cable service provider.
No Picture
• Verify that the power to your TV is turned on.
• If the 4250HD is plugged into a wall switch, verify the wall switch is in the ON position.
Note : You should avoid plugging the 4250HD into an outlet that is controlled by a wall switch.
• Verify that all cables are properly connected.
• If your system includes a VCR or stereo, verify that you have properly connected them to the 4250HD.
• Verify that the 4250HD is set to the proper screen type and resolution.
• The current channel may not be available in your service package. Try selecting another channel to see if
video is available.
No Color
• Verify that the current TV program is broadcast in color.
• Adjust the TV color controls.
• If you are using a component video connection (PrPbY/V), check that all connectors are completely
plugged into the 4250HD and TV.
No Sound
• If your setup includes a VCR or stereo, verify that you have properly connected it to the 4250HD.
• Verify that the volume is turned up.
• Verify that the mute function is not engaged.
• Check your secondary audio programming (SAP) settings.
Automatic Software Updates
The TV screen displays a message that indicates the 4250HD is automatically updating its software.
Wait for the current time to appear on the front panel of your 4250HD before continuing. When the time
appers, the update is complete.