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Remove the Model 3500 / 3700HD / 3000HD from its box and place it on a firm surface. 2. Plug unit into an outlet. 3. Locate key packaged with the unit. Unlock and remove the top cover of the unit. Locate the programming buttons that are labeled SELECT, UP, and DOWN. Place your key in a safe place for future access. 4. STEP 2 – PROGRAMMING THE MODEL 3500 / 3700HD / 3000HD Programming the Model 3500 / 3700HD / 3000HD is extremely easy and can be done in less than 5 minutes. STEP 3 – READY TO GO Re