Product documentation for the Titan 2 Medium Gain Preamplifier (CM7778) can be found here.
Installation instructions; http://downloads.channelmaster.com/Sheets/7777_7778_UG.pdf
Product Sheet; http://downloads.channelmaster.com/Sheets/77+Series+Product+Sheet.pdf
Please see the diagrams link attached below to help you understand how to connect a preamp in your antenna system.