this occurs for me as well with the mfd's. Somehow the values are linked to the HUD so if you make adjustments the MFD's look ok but the HUD disappears because you have to thin out the lines to much.
Adjusting MDG_strokesDefs.lua
dofile(LockOn_Options.script_path.."config.lua")
stroke_thickness = 0.9 this impacts both MFD and HUD
stroke_fuzziness = 0.15 this impacts both MFD and HUD
if bakeIndicators == true then
DMC_stroke_thickness = stroke_thickness
DMC_stroke_fuzziness = stroke_fuzziness
-- Currently is used for DMC generated fonts black outline
--DMC_outline_thickness = stroke_thickness * 3
--DMC_outline_fuzziness = stroke_fuzziness * 0.15
-- valid for cockpit view, but looks overdone at HUD only view
DMC_outline_thickness = stroke_thickness * 3.5
DMC_outline_fuzziness = stroke_fuzziness * 1.4
else
DMC_stroke_thickness = 1
DMC_stroke_fuzziness = 0.15
-- Currently is used for DMC generated fonts black outline
DMC_outline_thickness = stroke_thickness * 3
DMC_outline_fuzziness = stroke_fuzziness * 0.15
end