84 Chapter 9ReferenceTroubleshootingCan’t select certain channel• Channel may be blocked or not approved in the Profiles menu.• If using a VCR, check to make sure the TV/VCR button on the VCR is in the correct “mode.”Noisy stereo reception• May be a weak station. Change to mono mode instead of stereo in the Audio menu under Special Audio.No picture, no sound but TV is on• Maybe a vacant channel or input is tuned.• If watching VCR (connected only through antenna input), make sure TV is tuned to channel 3 or 4 – same as CH3/4 switchon VCR. Also check to make sure the TV/VCR button on the VCR is in the correct “mode.”• Simultaneously press the POWER and CHANNEL DOWN buttons on the front panel to reset the TV.Sound okay, picture poor• Check antenna connections and pointing and also check for interfering sources.• Try adjusting the picture quality, especially sharpness, to improve weak signals.• Viewing a VCR while in AIR mode may result in poor picture performance. To exit AIR mode, select System Options fromthe main menu, then select Signal Type and select Cable.Black box appears on the screen• Captioning may be turned on and in text mode. Check the Caption Display in the Options menu.Wrong pictureThe TV and most VCRs let you toggle between pictures: one can be the picture from DIRECTV signal or a terrestrial antenna(or cable) and one can be from the VCR. If you don’t see the picture you think you should be seeing, try using thesebuttons to toggle between the pictures:• Press the TV/VCR button on the VCR remote or on the VCR’s front panel.• Press the ANTENNA button on the remote control.Taking either of these actions lets you switch the source of the video signal from DIRECTV to the off-air antenna or cable,and vice versa.Problems with the remote control• Maybe something is between the remote control and the remote sensor on the front of the TV.• Maybe the remote control is not in the correct mode. Press the DIRECTV button so the remote will be in DIRECTVmode or press the TV button so the remote will be in TV mode.• Maybe the batteries in the remote control are weak, dead or installed incorrectly. Try replacing batteries. (Note, if youremove the batteries, you may have reprogram the remote to control other components.)• Remove the batteries and hold the number 1 button for at least 60 seconds to drain the microprocessor inside theremote control. Release the button, replace the batteries, and (if necessary) reprogram the remote control.