Frigidaire FH36DD50MS Use and Care Manual - Page 13

USE & CARE Operating the Telescoping Downdraft System - Raise the downdraft by pressing the raise/lower push button. The telescoping vent will rise up to full height. - The blower can also be turned off by simply pressing the raise/lower push button and lowering the telescoping vent. - The blower can then be turned on by sliding the control knob up. - The blower speed can be adjusted by sliding the control knob between the Hi and Lo positions. - The blower is turned off by sliding the adjusting knob to the OFF position. - Upon raising the telescoping vent again, the blower will automatically turn on at the selected speed. - Always turn the downdraft blower ON before you begin cooking to establish an air flow in the kitchen. Let the blower run for a few minutes to clean the air after you turn the cooktop OFF.  NOTE If there is a power interruption with the telescoping vent in the up position, pressing the raise/lower push button will lower the telescoping vent. Normal operation can then resume. 13