11Operationchannel to be swapped. Select Swap item and and select Yes to confirm swapping.USB operationGeneral information USB file systems supported: FAT32. 2.0 USB version is supported. For correct and satisfactory operation, licensed USB devices of famous brands should be used with this unit. Avoid using USB devices of unknown brands. Playback of images and music of only JPEG and MP3 format is supported.• This unit supports playback of video files with 3GP, AVI, DAT, M2TS, TS, MKV, MOV, VOB extension, with video codecs H264/AVC, H263, DIVX, XVID, MPEGI, MPEGII and audio codecs PCM, DD(AC3), MP3, WAV, WMA. The above list of extensions and codecs is for information only and is not a guarantee that all files having the above extensions and codecs sohuld be read by this unit.• Some AVI files cannot be played due to their parameters and recording conditions. Video files more than 2 Gb having AVI extension can be played partially.File playbackInsert a USB into the USB jack. Press MENU button, select Media option and press OK button. The screen will show USB playback menu:MultimediaMovie showPhoto showMusic showAuto play• Video file playback: Select Movie Show item and press OK button. Press cursor but-tons to select a file and press OK button to start playback. During playback press MENU button to show playback menu in which you can select an operation by LEFT/RIGHT cursor buttons and perform this operation by press-ing OK button. The operations include Play/Pause, Backward, Forward, Prev., Next, Stop, Repeat Mode, AB Repeat setting, Playlist, Info., Slow Forward, Step Forward, Goto Time, Brightness, Contrast. To exit video playback press EXIT button.• Image file playback: Select Photo Show item and press OK button. Press cursor but-tons to select a file and press OK button to start playback. During playback press MENU button to show playback menu in which you can select an operation by LEFT/RIGHT cursor buttons and perform this operation by pressing OK button. The operations include Play/Pause, Prev., Next, Stop, Rotate Right, Rotate Left, Music(on/off), Musiclist, Zoom in, Zoom out, Repeat Mode, Brightness, Contrast, Capture and Info. To exit photo playback press EXIT button. If you want to capture a picture as start-up, select the Capture icon, press OK button, then select the Logo in Startup setting page of OSD menu and press OK button.• Audio file playback: Select Music show item and press OK button. Press cursor buttons to select a file and press OK button to start play-back. During playback press MENU button to show playback menu in which you can select an operation by LEFT/RIGHT cursor buttons and perform this operation by pressing OK button. The operations include Play/Pause,Backward, Forward, Prev., Next, Stop, Repeat Mode, Mute, Playlist, Info. and Goto Time. To exit music playback press EXIT button.• Auto playback: Select Auto play item and press OK button. Music and photo files will be played automatically. This function is only available if audio and image files are stored in the same root foled of the USB.