The TsFontScale setting determines the Touchscreen Mode ratio of the font size, button size, and field height used on the screen. A smaller number (like 0.80 (which=80%) displays smaller elements.
Usage:
TsFontScale accepts numeric (including decimal) values which should be close to 0.80.
Example: TsFontScale=0.80
Default:
0.80 (or FontScale-0.05 if not used)
See:
MenuFontName
MenuFontSize
MenuFontAutoSize