Check the polarity of the batteries.
Check the angle of the remote control from the product or if there are any obstacles between the remote control and the
product.
Check if you have pressed the correct key for the correct option.
Try to a bright light position near TV's which transmit a strong light source on TV <remote receiver> window.
λ I cannot change channels with the remote control.
Press [TV/AV] and select <TV>.
Try to use the remote control for the cable or satellite receiver to change the channel.
λ External input channels cannot be selected.
Check your external input connection cable.
λ A Menu cannot be selected.
Check if the menu is grayed out, and if it is, that menu cannot be selected.
Screen
λ Poor picture
Is the power cord unplugged? Make sure the power cable is plugged in correctly, and then press the power of the remote
control.
λ Black picture
Check if external input mode is selected
Press [external input selection] and select TV
λ Lined and flickering picture.
Try to finely adjust the channel.
Are there any TV waves flowing or cordless radio transmitting stations? Avoid using cordless phones, hairdryers or electrical
drills.
λ Disfunctioning channels.
Check if the channel has been selected correctly.
Try changing the position of the antenna.
λ Picture with white and black dots.
Check if your antenna is damaged or any connections are broken.
Replace your antenna.
λ Only certain channels are in black and white
Check if the program is being broadcast in (black and white).
Try to check the hue or contrast.
λ The Sub-Screen is black.
Check the power of the external device connected to the TV.
If the power cord is disconnected, the screen will be black.
λ Automatic turn-on is inactive.
When turning off your TV, you need to use the remote control or press the power button on the TV. (If you pull the plug on the
TV, the settings will be deleted.)
Sound
λ Poor quality sound