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=>Game Boy Virtual Console Options:
* Unscaled Mode: Hold [SELECT] when loading a Virtual Console title from
the menu and keep it held until the game begins. The game will appear
unscaled and with a 3D system frame.
* Game Boy Palette: When playing a Game Boy game, hold [L]+[R] and press Y
to toggle between a green or a black & white color scheme.
* Y SELECT: You can use Y instead of [SELECT] in VC games.
=>NES Virtual Console Options:
* Controller Select: While playing a game, hold [L]+[R] and a little NES
controller icon will appear. While holding the buttons, press Y to switch
between CNTRL I and CNTRL II.
* Y SELECT: You can use Y instead of [SELECT] in VC games.
=>Unscaled DS Mode: Hold [SELECT] while launching a game from the menu, and
keep it held until the game begins. The game will play without being scaled
up to the larger 3DS screen; that is, it will be clear, sharp, and unblurry,
but take up a smaller portion of the screens.
This works with all DS and DSiWare titles, as well as with DS Download
Play.
=>DS Brightness and Power Saver Controls: When playing a DS or DSiWare title,
press [HOME] to enter the DS Home Menu.
* Brightness Controls: On this menu, hold [START] and press U or D to switch
between the various levels of brightness.
* Power Saver Mode: On this menu, hold [START] and press R to activate Power
Saver Mode, or L to deactivate Power Saver Mode.