You could do that mate, not seen it done on a 4:3 but have seen it done on the 16:9.

You could add an ibus interface and use the buttons too.

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Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode.