Press 0 (for region free), or 1, ..., 6 (for the different regional codes) You can check the change by following the usual sequence: MENU, 1, 3, 5, 7 (info screen)
Amstrad DX 3016
Press SETUP on the remote
Press 4, 9, 5, 4, 0
New entry (Version) appears, in which you can select the RC
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