How do I use the fold-away frother on the CM401?

Pour cold milk into a mug (about 1/3 full, or microwave for 45-60 seconds for hot froth), swing out the frother arm, hold the cup under the frother and submerge the whisk just below the milk surface, then press and hold the frothing button for 30-45 seconds. After use, immediately rinse the whisk under warm water to prevent milk residue from drying.