3EnglishChapter 3Operation ......................................................... 25Turn on the power supply of all connected devices ··· 25Power management function ................................. 27Select the language of OSD ······························· 28Select the input source······································ 29Select with the [INPUT] button of the remote control ... 29Select with the [INPUT] button of the unit .............. 29Playback the contents of USB flash drive ·············· 30Supported devices ................................................. 31Set the playlist ....................................................... 32Play music in the background ................................ 34Slideshow settings ................................................. 34Play the playlist ...................................................... 35Control by the serial terminal ······························ 37Configuration and basic operation of OSD screen ··· 38Basic operation of OSD screen ............................. 39Menu screen of picture .......................................... 41Menu settings of aspect ratio ................................. 42Menu screen of sound ........................................... 43Menu screen of settings......................................... 44Menu screen of initial settings ............................... 45Setting method of the scheduler ............................ 46Menu screen of system information ....................... 47Annex............................................................... 48Table 1: Specifications of the supported formats(video) .................................................................... 48Table 2: Specifications of the supported formats(audio).................................................................... 48Table 3: Specifications of the supported formats(picture).................................................................. 48Table 4: Preset signal ............................................ 49Troubleshooting ............................................. 50Specifications ................................................. 51