11. EXPLANATION OF COMPONENTS 11.8 OPERATING THE AIR CONDITIONER d 11.8.1 CONTROL PANEL 0 Inside-Outside air selector switch Use this switch to change over the intake vents when heating or coolinn the cab. Inside air (RE&C I3 ) Air is inhaled from inside the cab. (Generally used for coolina the inside of the cab.) Outside air (FRESH 3 ? Air is inhaled from outside the cab. (Generally used for ventilating and the cab.) heating the inside of Vent selector switch Position Air of knob outlet Application DEF FOOT @9,0@9 Mainly for heating FACE FOOT Mainly for ventilation @@,o@ FACE @ Mainly for cooling 2-28