Discussions tagged with 'GMX200 GTN750 IFD540 wx-500' vinicius ferreira panel refresh: (GTN750 vs IFD540) and (GMX200 vs. EX500 vs EX600) advice. Henry Muyshondt replied 7 years, 1 month ago 3 Members · 4 Replies Avionics Corner Viewing 1 of 1 discussions