If minicom is started inside tmux; and the tmux pane with minicom is active then:
If another tmux pane or window is active - minicom output is ok.
Any solution to keep minicom output in all cases?
tmux 2.7 inside Konsole Version 17.12.3 OpenSuse Leap 15.0, kernel 4.12.14
The reason is '-Z' argument in 'choose-tree -NZs' command. By this argument, the pane zooms what brings to clearing screen. Replacing the command by 'choose-tree -Ns' solves the problem.