In Australia mechanical slot machines are known as pokies. This slang term originated from the term poker machine but officially, slot machines are known as gaming machines. Australian-format machine have their functions determined by independent state laws that set specific standards regarding pay out rates and minimum and maximum wagers, in order to protect the public. Australian-format machines frequently make use of digital displays to simulate 5 reel slots and allow up to 200 pay lines. Australian-format machine can often have up to 3125 multiple ways to pay configured on them.