OK.. I managed to go "Scenery customization page in (%AppData>Roaming>Virtuali>GSX select
KEWR-mzxo3z.ini)
I opened the file:
[general]
afcad_path = C:\Program Files\Lockheed Martin\Prepar3D v4\Scenery\0302\scenery\APX28170.bgl
[gate 68]
nopassengerstairs = 0
nopassengerbus = 0
ignoreicaoprefixes = 1
ignorepreferredexit = 0
parkingsystem = 1
hasjetway = 1
pushback = 3
pushbacklabels = Nose Right/Tail Left (LEFT)|Nose Left/Tail Right (RIGHT)
maxwingspan = 72.0
radiusleft = 36.0
radiusright = 28.8
loadertype = 3 3 2
airlinecodes = TWA
jetwayairlinecode = TWA
type = 10
jetway_pos = 40.6917517259717 -74.1750776767731 339.609375
jetway_simtitle = FSDT_TB3_STANDARD_RP_39_19
jetway_name = DEFAULT Jetway
jetway_linkedsimobjectsmask = 15
jetway_staticlinkedsimobjectsmask = 0
jetway_logo = FSDT_SODE_JW_TB_2_5_LOGO_UA
jetway_gate_number_text = 68
jetway_gate_number_font_name = Arial
jetway_gate_number_font_size = 36
jetway_gate_number_font_color = 240,245,255,255
jetway_gate_number_bg_color = 0,60,125,255
jetway_gate_number_font_weight = 700
jetway_gate_number_font_style = 0
jetway_gate_number_font_stretch = 5
usercustomized = 1