8 Getting StartedSelect or Confirm Random Access ModeTo confirm that the random access mode is selected, check to be sure that the modeselection jumper is installed on the mode selection pins on the back of the controlmodule panel (your DAT Autochanger is shipped from adic with the jumperinstalled).p Open the DAT Autochanger door. Locate the small circuit board next to the left-hand hinge. The mode selection pins are located on the underside of the board onthe right side. A jumper should be installed over the pins.To select the random access mode if the jumper has been removed, simply install thejumper over the pins.Select or Confirm Sequential Access ModeTo confirm that the sequential access mode is selected, check to be sure that themode selection jumper is not installed on the mode selection pins on the back of thecontrol module panel (your DAT Autochanger is shipped from adic with the jumperinstalled).p Open the DAT Autochanger door. Locate the small circuit board next to the left-hand hinge. The mode selection pins are located on the underside of the board onthe right side. The jumper should not be installed over the pins (see Figure 6).To select the sequential access mode if the jumper has been installed, simply removethe jumper from the pins.