. OPERATION EXPLANATION OF COMPONENTS OTHER FUNCTIONS OF MACHINE MONITOR 3 - 26 The machine monitor also has the following function s. Use them if necessary When t he () portion of the machine monitor mode s elector switch 1 (1) is pressed from the standard screen (service m display) or warning screen (action code display) > eter/odometer , the display changes t machine the the following menus. To r eturn from each menu the screen, the ( ) portion of the machine monitor mode selector switc h 1 (1). NFO" . elector Press t switch