man mode switched on puts the wash station in an automatic auto mode di brush controls a valve to allow flow of deionized water over the large and small brushes di rinse controls a valve to allow flow of deionized water for final rinse air knife controls a solenoid valve controlling the air flow to the air dispenser clamp operates the clamp on the shuttle to hold the vise in place reset brings the shuttle to the beginning of the load unload chamber reset can also be referred to as a home position switch alarm activated causes the alarm to sound at the end of a cycle when the lid is open when the large brush door or small brush door is open deactivated prevents the alarm from sounding program is a thumbwheel allowing selection one of a various number of numbered programs stored in the programmable array logic memory brush speed controls the speed of the brush motor which drives both the large and small brushes in the manual mode the above listed switches are used independently to operate functions of the wash station in an automatic mode the wash station runs a program selected by the thumb wheel to control functions which must otherwise be performed manually using the switches the duration and repeat of each switch function is set in each program.