COBY electronic dvd978 ユーザーズマニュアル

Choose the best available video connection. Avoid using more than 

one connection at the same time to prevent signal interference. The 

video settings of the unit must match the video connection used. Press 

<V-MODE> on the remote to change the video setting, or change the 

video settings in the System Setup menu  (please refer to the System 

Setup section of this manual for more information).