A professional, ISF (Imaging Science Foundation)-certified Geek Squad Agent will use precision equipment to calibrate your TV, tweaking sharpness, black levels, white levels, brightness, color temperature and more to provide the best possible picture in your home.* The Agent will also create custom presets to complement different room ambiences. This service takes about 2 hours to complete. After completing your order, you will receive a confirmation e-mail that contains a redemption code. You can then schedule your appointment by calling 1-800-GEEK SQUAD (1-800-433-5778) and following the prompts for Home Theater and Installation.** Please print your Geek Squad confirmation e-mail and be ready when the Agent arrives at your chosen location.