If you do not plug the amplifier in, then it will completely disconnect the antenna, not bypass. The antenna must be plugged in for the bypass option to work.
Your English is good enough for us to understand you. However, I think you will benefit from a French-language forum with people who live near you and may have already found what works. Go here -
http://www.digitalhome.ca/forum/forumdisplay.php?f=119.