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  1. Move switch # 4 on the left bank of dip-switches to the “on” position.
  2. 10:00” (or other preset time) will appear on the display. This is the additional time in minutes.
  3. Press HIGH TEMP (+) or LOW TEMP (-) to change the time.
  4. Move switch # 4 back to the “off” position to save this value and turn the display off.