Slot Machine Symbols Explained. There are a number of different classic and video slot symbols that come up a lot, and many players have no idea of the history. Related: slot machine, slot machine icons, slot machine casino, slots, jackpot, casino, slot machine symbols vector, slot machine winner, slot icons, casino icons. We look in to the history of fruit machines to see how they ended up with fruit symbols. Learn why slot machines have fruit symbols. All Images All Images Photos Vectors Illustrations Footage Music. Set icons of casino isolated on white. The added advantage is that these large jackpots increase the excitement of the other players. Auch können mehrere Geräte an ein gemeinsames Jackpotsystem angeschlossen sein. Mostly scatter symbols are preferred for this activation, although wild symbols or a completely different symbol dedicated for this feature can be used .