| 摘要 |
A gaming machine includes a base, a variable display supported by the base, a navigation device, and at least one switch. The variable display variably and/or graphically presents a game to a user, and the variable display variably and/or graphically presents game related options to the user. The navigation device, such as a trackball, is supported by the base, and the navigation device permits the user to navigate through the game related options so that the user can designate at least one of the game related options. The switch is supported by the base, and the switch is operable by the user to activate the designated game related option.
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