Changing some fonts and style of object in some area at workplace in 800xa version6

We have a four operator workplace that configure on same workplace from workplace structure at plant explorer.but one workplace operator ;fonts or style of some object in some area have been changed(are very large) in a way that some tag of object ,dont show complete ;for example some column and tower and some label of area.in addition to i have checked all of windows setting associated with display and writting font;for example resolution and ratio display graphic.
Thanks for helpme🌹🙏