Honeywell RTH8580WF - Setting the Fan

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1 Press FAN to select fan operation.
2 Press FAN again to select ON or AUTO (toggle
to re-select). The selected option blinks.
3 Press DONE to save setting. Your selection
appears under FAN.
ON: Fan is always on.
AUTO: Fan runs only when the heating or
cooling system is on.
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Inside
MCR31553
Setting the fan