-11-TV OPERATION3. SOUND MENUYou can adjust the sound effect here such astreble, bass, balance etc.Press to move, press OK button to confirm,and press to adjust.Note:Auto volume level : only available when the inputsignal volume is too large or distortion.4. SETUP MENUYou can adjust the clock, change the password,adjust hotel mode etc.(Default password: 0000).Press to move, press OK button to confirm,and press to adjust.NOTE:5. LOCK MENUYou can adjust the Language, TT Language,Aspect Ratio, Blue Screen, TIME, Reset, Software Update(USB), HDMI CEC, Shop Mode, HDMI 4K.Reset will clear all the programs and password.6. USB FUNCTIONYou must enter the Source menu first,then choice theUSB and press OK button,the USB menu will appear.Please make sure that the USB device have plugged inthe slot. There are four type media item can be selected,such as photo, music, movie and text. Select the typemedia item by pressing , press OK button to enterthe disk selection menu.In the movie mode, when you use FB, FF function, Theaudio may be pause in several seconds to synchronizethe audio signal and video signal.In text mode, press to make page up and page down.NOTE:When the USB device isn't supported, it may be that thepower of the USB device isn't enough.HDMI 4K