A special feature of the particular game theme, which is activated when certain symbols appear in a winning combination is called Bonus. The player is presented with several items on a screen from which to choose. A number of credits is revealed and awarded as the player chooses items. There are bonuses that use a mechanical device, such as a spinning wheel. It works in conjunction with the bonus to display the amount won.
A light on top of the slot machine is Candle. It alerts the operator that change is needed, hand pay is requested or there is a potential problem with the machine.
Carousel refers to a grouping of slot machines, usually in a circle or oval formation.
Coin hopper is a container where the coins that are immediately available for payouts are held. It rotates coins into the coin tray when a player collects credits. There is a coin diverter used for redirecting excess coins into a drop bucket, or drop box when a certain preset coin capacity is reached.
Credit meter is used for displaying the amount of money or credits on the machine.
There is a container located in a slot machine's base that is used to divert excess coins. Typically low denomination slot machines use a drop bucket. As for high denomination slot machines they use a drop box. The difference between a drop box and a drop bucket is a hinged lid with one or more locks. There exists a scheduled basis for collecting and counting the contents of drop buckets and drop boxes.
EMG is Electronic Gaming Machine.
A payout made by a slot attendant or cage, rather than the slot machine is Hand pay. A hand pay occurs when the amount of the payout is more than the maximum amount that was preset by the slot machine's operator. Usually, the maximum amount is set at the level where the operator must begin to deduct taxes. A short pay can also result in a and pay.
Hopper fill slip is a document used to record the replenishments of the coin in the coin hopper after it becomes depleted as a result of making payouts to players. There is the slip that indicates the amount of coins placed into the hoppers, the signatures of the employees involved in the transaction, the slot machine number and the location and the date.
Low Level or Slant Top slot machines include a stool so you can sit and play. You can only stand playing Stand Up or Upright slot machines.
A payback percentage based on a gambler using the optimal strategy in a skill-based slot machine game is called Optimal play.
The term Payline is used to denote a straight or zigzagged line that crosses through one symbol on each reel, along which a winning combination is evaluated. Classic spinning reel machines usually have up to nine pay lines, while video slot machines may have as many as one hundred.
The process of dramatizing a win by playing sounds while the meters count up to the amount that has been won is Rollup.
The term Short pay is used to mean a partial payout made by a slot machine, which is less than the amount due to the player is called Short pay. If the coin hopper has been depleted as a result of making earlier payouts to players the short pay happens. The remaining amount due to the player is either paid as a hand pay or an attendant will come and re-fill the machine.
A document provided by the manufacturer for all slot machines is called Theoretical Hold Worksheet. It indicates the theoretical percentage that the slot machine should hold based on adequate levels of coin-in. The reel strip settings, number of coins that may be played, the payout schedule, the number of reels and other information is indicated in the worksheet.
The dollar amount of coins or tokens removed from a slot machine's drop bucket or drop box and counted by the casino's hard count team through the use of a weigh scale is called Weight count.

There exist at least two types of slot players.
Persistent player.
These players are sure that the machine is already ready to pay out, they just have to wait for a little. Any second now the slot machine will roll over and all the coins will be flying out and you will be rich.
Players become so persistent if they have already spent a lot of money for this slot and haven’t got anything or if they have found a slot machine that haven’t paid for a long period of time. They know the next big win, or any win is due to pay out. They can’t leave the machine because as soon as they do it will burst forth and pay out large sums. Maybe it can really work if you have already spent thousands of dollars and have got nothing back. The machine must pay.
Many years ago in the case of the payout players touch the coins to check whether he coins were hot or cold. If the coins were hot they believed that the machine had not paid for a long period of time. The heat of the machines lights, etc would eventually heat the coins.
The second type of slot players is a chaser.
Players feel more comfortable and confident because they have been reinforced with a win and gain trust in the machine. A sense of comfort exists between the slot machine and the player.

It seems that every type of activity has its own rules of etiquette, and playing the slots is no exception. Though slots are played by one person, still thinks which can and can’t be done during playing slots. To decide whether to deal or not to deal with this slot machine is of great importance. As a gambler you are sure to have faced such a problem: you want to go to the bar or to the restroom, but still want to keep this slot. How can other understand that your machine is in play? If you hang a coin cup over the handle of the slot machine it will mean that this slot is in play by you. Placing the coin cup on the seat has the same meaning. Instead of the coin cup you can leave something of your belongings. For example, a jacket or a coat. But it will work in casinos where the cashless system is used. In your turn if you see somebody’s belongings or a coin cup never sit to this slot machine. You can sit to any other slot machine. Sometimes you can find in the slot machine a card left by the previous player. If it happens to you, put the card on the top of the slot machine. The player will come back and find it easily. Nowadays most casinos allow smoking while playing. Of course, others will hardly like it, so try to make as few inconveniences as possible. Tipping the attendant that brings you the winning is one more etiquette rule. There are a lot of questions about the sum of a tip. If you win a jackpot you should tip the attendant with a tip equal to one half of one percent of the jackpot.

The USA
In the United States the availability of slot machines is regulated by governments. Many states have established gaming control boards for regulating the possession and use of slot machines. Nevada is the only state that has no significant restrictions against slot machines. In New Jersey only hotel casinos operated in Atlantic City are allowed to have slot machines. There are states that allow slot machines only on licensed riverboats or permanently-anchored barges. Only three horse tracks are allowed to have slot machines in Delaware. They are regulated by the state lottery commission.

Native American Casinos
Native American casinos located in reservations are not permitted to have slot machines. But when the tribe first reaches a pact with the state in which it is located it is permitted. According to the pact a fraction of the gross revenue from slot machines is received by the state.

Classes Of Slot Machines
Slot machines aren't governed by any federal law. There is no universal classification for all states. There are states where the usage of slot machines in a casino or other gaming area is restricted. "Class III" (or "traditional") slot machines operate independently from a centralized computer system. Every play has equal chances of winning any payout. You can find Class III slots in Nevada or Atlantic City more frequently. "Vegas-style slots" is another name for them.
There are "Class II" slot machines ("video lottery terminals" or "VLTs") which are connected to a centralized computer system. The determination of the outcome of each wager is fulfilled by it. The chance of winning a series of limited prizes is equal for each machine. A fee for each Class III game is paid by the casino to the state. Class II games are not so tightly regulated by the state.

Class II Game Characteristics
The player is playing not against the casino but against other players. The prize is common. There is necessarily a winner in each game. Only when there is a winner the game stops. There is a certain number of wins and losses in a given set of wins. The combimation can occur again only after a new batch is initiated. There is a dependence of between the games. The player is an active participant of the game. All players play from the same set of numbers as the numbers are announced.

Class III Game Characteristics
The player is playing against the house. There is no connection between the previous and the next games. Any game has any possible outcome.

Slot Clubs
Free memberships in "slot clubs" is offered by many American casinos. They return a small fraction of the amount of money that is bet in the form of comps (complimentary food, drinks, hotel rooms, or merchandise). These clubs require that players use cards to insert into the slot machines. The differences in the maximum theoretical returns can be significant thanks to comps or "cash back" from these clubs.

Slots In Australia
Queen of the Nile is a poker machine that is very popular in Australia. Slot machines in Australia are officially termed Gaming Machines. In Australian-style gaming machines video displays are used to simulate physical reels. There are usually five of them. There are laws regulating the use of gaming machines in Australia which are created by State governments.
Not only casinos but also pubs and clubs in some states have Gaming machines. New South Wales legalized this style of gambling first. In 1956 they became legal in all registered clubs in the state.
Western Australia only permits the use of particular forms of gaming machine.

Slots In The United Kingdom
Fruit machines, one-armed bandits and AWP are the names for slot machines in Britain. There are fruit machines in pubs, clubs, arcades, and some take-away food shops. These machines commonly have 3, but can be found with 4 or 6 reels with around 16 or 24 fruit symbols printed around them. These reels are spun. If certain combinations of fruit appear, winnings are paid from the machine. Slot machines seen in casinos and elsewhere around the world are similar to these machines. These games have lots of extra features. However, the jackpots from these fruit machines are strictly limited. The UK fruit machines have some features. A player is given the opportunity to hold one or more reels before spinning. This can sometimes increase the chance of winning. A finite number nudges following a spin can be also given to a player. A single-step rotation of a reel of the player's choice is a called a nudge.
The maximum payout for an individual game is influenced by the type and the location of the machine. Private members' clubs are allowed to have "club machines". They charge more per game and have higher jackpots.
These machines also operate in a different manner to American slot machines. The probability of getting the jackpot in each game is independent of any other game.
The AWP fruit machine is popular across Europe and in countries such as the Czech Republic, Russia, and Ukraine.

Japan
Japanese slot machines are known as pachisuro. They originate from the traditional Japanese pachinko game. Slot machines are new phenomenon. They can be found in mostly in pachinko parlors and the adult sections of amusement arcades, known as game centers.
IC chips regulate the machines. They have six different levels changing the odds of a "777". There is a variety of slot machines but there exist rules and regulations for all of them.

There is a man who managed to cheat slots.
It is not a secret that it is next to impossible to cheat a slot machine. But do you know that Tommy Glenn Carmichael managed to improve the payout of the machine to his benefit.
Carmichael, now 53, had a long history of inventing devices to cheat slot machines. He was caught with one, called a top-bottom joint, and sentenced to prison. Upon his release, he continued to work on the problem and to devise a better way to cheat the new slot machines. For example, he invented a tool called a slider made from guitar wire that he used to insert into the machine and trip a switch, which released coins from the hopper.
Later the slot machines were not any longer mechanical, they were computerized and as a result there appeared a need for a new device. In some way he managed to fool the manufacture who showed him the inner construction of a slot machine. From that experience, he learned what he needed to know to beat it. His new inventions was a light want that blinded the sensor of the slot machine and as a result got winnings. Other gamblers liked his invention and he had a lot of customers, which allowed him to earn up to ,000 a day. With all this money he bought expensive cars, houses and what not.
But as known good things can’t last forever. For Carmichael, they ended in front of a slot machine at Circus, where he was caught with the light wand when he tried to run from security. He was fined, but soon came back to the same business. By this time, authorities had tapped his phone and recorded conversations with other cheats who used his device. Three years’ probation and expropriation was the punishment. He has been banned from entering any casino.