If your display on the Entegra EX500/EX600 inverts the images (see photo), you will need to contact the shop or Duncan Aviation in Lincoln Nebraska (USA). ![][1] [1]: https://hf-files-oregon.s3.amazonaws.com/hdpavidynesupport_kb_attachments/2022/03-09/daf200eb-c747-4df9-9840-35a5e57beec4/image-20220309121257-2.pn...