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06/20/2015 at 01:32
#100195
herbfargus
Member
I’m not super familiar with video resolutions or volume controls so I can’t help you with those- but the tab key configuration menu is only a mame4all-pi/advmame feature, the lr-imame4all emulator is a retroarch emulator and as such uses the RGUI which can be opened by pressing select+x and from that menu you can also modify the video resolution and maybe the volume as well. see this page: https://github.com/RetroPie/RetroPie-Setup/wiki/MAME
this person had the same questions on video stuff and it seemed to work for him: