Use the touch interface to navigate folders. Note: The unit typically supports FAT32 formatted drives up to 32GB. Troubleshooting Common Issues Likely Cause Blown fuse or loose Red/Yellow wire Check the 10A fuse on the back of the unit. No video while driving Brake wire safety feature Connect the Pink wire to the parking brake. No sound Mute is on or shorted speaker wire Check speaker connections for contact with metal. Touchscreen unresponsive Calibration is off Use the "Reset" button with a paperclip. Maintenance and Safety Tips
(Final Usage Instructions)
Note: On the 7997 BT, buttons are usually located on the top right edge or bottom chin bezel. Napoli Dvd Tv 7997 Bt Manual