You will need to remove the dome and change the dip switch setting for Dish. You will not be able to receive most of the Dish HD programming as the domes of that age are only capable receiving the programming from the 110 and 119 satellites. You need to be able to pick up 129 for the rest of the programming. An update kit is available for a few hundred dollars for most (but not all) of these older antennas.
Once you have the dip switches set for the proper service you will need to get the antenna locked onto the 119 satellite and then run the Check Switch routine as soon as it locks. You should see the switch type set itself to SW42 when complete (SW64 is required to switch between 110, 119 and 129).

