Begin by pressing and holding both the down and up buttons for a few seconds. The temperature differentail for stage one will appear on the display. Release both buttons. Press either the down or up button to select the preferred setting of 0.5 to 3 degrees in 0.5 degree increments. Wait approximately 5 seconds and the temperature differential for stage two will appear on the display. Press either the down or up button to select the preferred setting of 2, 3, 4, 5, or 6 degrees. Wait approximately 5 more seconds and the Auto Change Deadband will be displayed. Select 3, 4, 5, or 6 degrees. Let the display change to show the Fan Delay. Select either 0, 30, 60, or 90 seconds. The LCD will now change back to the main menu in approximately 5 seconds.