. ATTACHMENTS AND OPTIONS AIR CONDITIONER cab during cab or to Temperature Control Switch (Cooling) becomes, as the indicator light moves to the "C". 6 - 6 Air Circulation Selector Switch (External Air Circulation) When switch ( heating or coo This position i remove the mi st from the ca Air Circulation Selector Switch (Internal Air Circulation) When switch ( 2) is pressed, the air inside the cab is re circulated and no fresh ai r is taken in fro m outside. Thi s position is u sed when heating or coo ling the cab qu ickly or when the outside a ir is dirty. The closer to t he "C" mark th e lighting-up is in the range , the lower the room temp erature is.
Con versely the clo ser to the "H " mark the lighting-up is in the range, th e higher the ro om tempera ture is The indicator r ange is divide d into 11 levels , but within e ach range the temperatur e changes ste Use switch (3) to reduce the temperature. Press this swit ch to reduce th e temperature of the air se nt from the air c onditioner The more time