TM 9-4120-389-14 Table 2-2.  Operator Control Settings Mode Temperature Fresh Evapor- Evaporator Selector Control Air tor Outlet Fabric Mode Switch Thermostat Damper Louver Louver Cover Ventilate with VENTILATE Does not Closed Open Adjust to Rolled up 100% recir- operate suit or snapped culated air closed Ventilate with VENTILATE Does not Open Open Adjust to Rolled up make-up operate suit and (fresh air) secured Ventilate with VENTILATE Does no Open Closed Adjust to Rolled up 100% fresh operate suit and air secured Heating with LO HEAT Desired Closed Open Slightly Rolled up 100% recir- or temperature down for or snapped culated air HI HEAT best closed results Heating with LO HEAT Desired Open Closed Slightly Rolled up make-up or temperature down for and (fresh air) HI HEAT best secured results Cooling with COOL Desired Closed Open Slightly Rolled up 100% recir- temperature up for and culated air best secured results Cooling with COOL Desired Open Open Slightly Rolled up make-up temperature up for and (fresh air) best secured results Any mode with Desired Desired Closed Partially Adjust to Rolled up make-up air mode temperature and closed suit and through CBR sealed secured filter 2-19