6 TASCAM DR-680ContentsRepeat playback .............................................................427 – Connection with a computer .............43Copying files to a computer .........................................43Copying files from a computer .....................................43Ending the connection with a computer ................... 448 – Cascade connections ..................................45Preparing to use the cascade function .......................45Cascade recording .........................................................45Cascade playback...........................................................45Disabling cascade operation ........................................45Precautions for use of the cascade function ............. 469 – Other Settings and InformationDisplay ....................................................................47Output settings ..............................................................47Analog output settings ....................................................47Digital output settings .....................................................47System settings ..............................................................47Power AUTO OFF settings ............................................... 48Turning the backlight off automatically ........................... 48Cascade settings ............................................................ 48Setting the extent of the panel operation lock function ... 48Setting the battery type .................................................. 48Initializing the unit ...........................................................49Viewing system information .............................................49Reformatting SD cards ..................................................49Viewing card information .............................................5010 – Messages ...........................................................5111 – Troubleshooting ..........................................5312 – Specifications .................................................54Recording media and formats ......................................54Input and output ............................................................54Analog audio input and output .......................................54Digital audio input and output .........................................54Control input and output .................................................54Audio performance ........................................................55Requirements for connected computers.....................55Other specifications .......................................................55Dimensions ......................................................................56Block diagrams ...............................................................57