Question

How far away should I sit?

Answer

The appliance should be placed at a distance of 10 to 30 inches from where you are sitting. Choose a distance you find comfortable. The closer you sit to the appliance, the shorter the session can be. HF 3300/3301: distance 10 inches: 30 minutes distance 20 inches: 1 hour distance 30 inches: 2 hours HF 3304: distance 8 inches: 30 minutes distance 16 inches: 1 hour distance 24 inches: 2 hours HF 3305, setting 1: distance 10 inches: 1 hour distance 16 inches: 2 hours HF 3305, setting 2: distance 8 inches: 30 minutes distance 16 inches: 1 hour distance 24 inches: 2 hours.

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