[. . . ] CPRM Content Protection for Removable Media (CPRM) is a hardware-based technology designed to enforce copy protection restrictions through builtin mechanisms in storage media that would prevent unauthorized file copying. Read Instructions: All the safety and operating instructions should be read before the product is operated. Retain Instructions: The safety and operating instructions should be retained for future reference. heed Warnings: All warnings on the product and in the operating instructions should be adhered to. [. . . ] All passengers should wear seat belts when using this unit in a moving vehicle. If in doubt, please contact your vehicle manufacturer for further advice. Using Headphones or Earphones: Hearing experts advise against the constant use of personal stereos played at high volume. If you experience ringing in the ears or hearing loss, discontinue use and seek medical advise. Grounding or Polarization: This product may be equipped with a polarized alternating-current line plug that has one blade wider than the other. If you are unable to insert the plug fully into the outlet, try reversing the direction of the plug. If the plug should still fail to fit, contact an electrician to replace the obsolete outlet. Power-Cord Protection: Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and at the point which they exit from the product. Protective Attachment Plug: The product may be equipped with an attachment plug with overload protection. see the operating instructions for replacement or directions to reset the protective device. If replacement of the plug is required, be sure the service technician has used a replacement plug that has the same overload protection as the 22. In stop mode or with no disc loaded, press and hold LCD Mode/ USB button for a short while to display the Disc/USB menu, you can access a DVD/USB using this menu. Bottom View Ventilation Slots Battery compartment Left View SD Slot Front View Power Switch To turn on/off the unit. Before connecting the power source, ensure that all the connections are properly done. USB Connection The USB memory stick should be plug in the unit directly. USB extension cable should not be used to avoid failing of data transferring and interference caused. With no disc loaded or in stop mode, press and hold the LCD MODE/USB button to enter source mode. After the device is detected, the screen will display the working menu, press the direction buttons to select the desired file from the menu and press Play/Pause to start playback. Headphone Connection Be sure that your unit is at low volume level before connecting the headphones. CAUTION: Hearing experts advise against the constant use of personal stereos played at high volume. If you experience ringing in the ears or hearing loss, discontinue use and seek medical advise. Do not connect the power plug to a power outlet other than that which is indicated here and on the label as this may result in the risk of fire or electric shock. [. . . ] Ensure that the disc's rating level does not exceed the player's parental rating level. Remove the disc and leave the player on for 1-2 hours and then try again. Ensure that the connections between the player and the TV are secure and correct. Ensure that the player is connected directly to the TV (and not through a VCR, cable box, satellite receiver, etc. [. . . ]