From time to time during Eos Family software releases, there have been changes to the physical keys (a.k.a "hard keys") on the console that require replacement key caps to be sent for existing consoles. Below is a summary of the changes with the associated software version.
At one point, all consoles changed from having flat keycaps to curvy keys. If your console still has flat keycaps (with beveled edges) instead of curved edges, please see the update request link below.
You can request the appropriate keycaps by clicking here, or by sending an email to CustomerService <at> etcconnect <dot> com with your name, organization, shipping address, phone number, console type, and console serial number.
GioSoftkeys 1 through 6 (S1 - S6) were replaced with encoder category keys. In order from left to right:
Related document: Gio Keycap Upgrade Kit 4240M2300 RevA