Problems with the com port on the Mac OS

However, a strange thing!

I have not found in a minicom for MacOS (minicom version 2.2 (compiled Mar 16 2007)) as a set character that ends the string.
I want to '\n', as he puts '\r'.
This can somehow set this up?

By the way, is for MacOS terminal emulator runs as usual, not a console application? (I found iTerm, but he does not want to work with com port, only the network)

Ogogon.