291Clearing the Functions SelectedIf you press any button that is half-tone shaded, the function selected is cleared. Also, if the copier is leftinactive for a while, the automatic function clear works and the setting will be cleared.- Automatic Function ClearEven if you do not press the [FUNCTION CLEAR] button, within the specified period of time (defaultsetting: 45 seconds) after outputting is finished or after the last button is pressed in a procedure, theautomatic function clear mode will work to clear all settings, and the basic screen of the copy function willbe displayed. While the department management function is being operated, the display returns to thedepartment code input screen.The period for the automatic function clear is selectable. (See the [User Functions Guide].)Touch Panel Contrast Adjustment VolumeTo adjust the contrast of the touch panel, turn the adjustment volume on the left side of the control panel.(See the illustration.)