A special feature of the particular game theme, which is activated when certain symbols appear in a winning combination is called Bonus. Several items on the screen are presented to the player to choose. After choosing items a number of credits is revealed and awarded. 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.
Slot machines in a circle or oval formation are usually called Carousel.
Coin hopper is a container where the coins that are immediately available for payouts are held. The hopper is a mechanical device that rotates coins into the coin tray when a player collects credits. When a certain preset coin capacity is reached, a coin diverter automatically redirects excess coins into a drop bucket, or drop box.
To display the amount of money or credits on the machine Credit meter is used.
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. A drop box can be found in high denomination slot machines. 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.
EGM is a short-hand for Electronic Gaming Machine.
The term Hand pay means a payout made by a slot attendant or cage, rather than the slot machine. 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.
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 is Hopper fill. The slip 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.
A stool is included into Low Level or Slant Top slot machines, so you can sit and play. Stand Up or Upright slot machines are played while standing.
Optimal play is a payback percentage based on a gambler using the optimal strategy in a skill-based slot machine game.
The term Payline means a straight or zigzagged line that crosses through one symbol on each reel, along which a winning combination is evaluated. Up to nine pay lines are contained by classic spinning reel machines and video slot machines contain up to a hundred ones.
While the meters count up to the amount that has been won the process of dramatizing a win by playing sounds happens which is called Rollup.
If a partial payout made by a slot machine is less than the amount due to the player it is called Short pay. It can happen if the coin hopper has been depleted as a result of making earlier payouts to players. An attendant will come and re-fill the machine or the remaining amount will be paid as a hand pay.
The manufacturer for all slot machines provide them with a document 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 are a lot of myths and superstitions about slots.
You can spot a winning slot machine.
The only way you'll spot a winning slot machine is when the bells are ringing and the money is dropping. RNG is the main element of every slot machine and one never knows what combination it will form.
Casinos place loose slots near the cashier, aisle ways, etc.
If this were true, it would be the only machines anyone would play. A casino mixes slots all over the casino floor. No one with any experience at playing slots would make a statement like this.
Count the number of symbols on the reels to determine your odds.
It is a rude mistake. RNG decides when the machine will stop and there are thousands of combination available on a 3 reel slot machine.
Casinos can tighten or loosen slot machines from the back office.
It is not as simple as that. The casino can’t just change the chip of the slot machine. It is illegal and it has to be permitted by the commission.
A slot machine that has not been paying is due to hit.
Absolutely false. The RNG assures this. You have an equal chance of winning on a losing machine as you do on a machine that just paid out the jackpot.
Pulling the slot machine handle produces more wins than pressing the spin button and visa versa.
It is also a mistake. These things are only mechanisms for beginning the game. The machine knows whether you win or lose before the symbols begin to stop.
Playing with hot coins improves your chances.
It is false. Nothing can affect the outcome, the machine doesn’t care and doesn’t know whether your coins are cold or hot.
Casinos set slot machines to payback more on the weekends.
One more rude mistake. The chances and odds are always the same. It doesn’t matter when you play.

Slots are one of the oldest casino entertainments. They came through a number of changes and improvement. But the objective and the principle of the game always remain the same. Basically, you just put in the coins and wait to find out whether you won or not.
In fact all slot machines are the same. They have different odds (and of course payouts), different payoffs, different symbols and different exterior arrangement, but there's little difference under the hood. There are so many variatisn of slot machines that everybody can find something to his liking.
Two most distinct types of slot machines are single line and multiline slots. In single line slots, the machine has just one line of reels, usually with 4 or 5 wheels, while in multiline there are a number of reel lines. Multi line slots are a little bit more complicated because winning combinations may play out across a number of lines; when you win, the machine will draw you how the symbols combine together and calculate the win automatically. Sometimes you don't win anything at all, and sometimes multiple combinations award you with relatively big winning money. There are machines with paylines; that is, vertical lines along which a winning combination must occur, but some don’t have them, as the winning combination may come in diagonals, zigzags, strange curves and in other ways and fashions.
Another interesting variation of the slot machine is a jackpot. If the slot machine has a jackpot it means that a certain amount of each additional bet is added to the jackpot. As the players wager, the jackpot grows and grows, sometimes crossing hundreds of thousands of dollars. A certain winning combination hits the jackpot, and the lucky gambler collects everything that the ones before him left behind.
Since slot machines appeared they have been played with coins. Online casino slot machines are no exception to that rule, even though bets might differ slightly. Like regular slots they have betting limits, which can be even lower than in real casinos. Slots are the easiest casino games. They don’t require any decision on the player’s part.
Online slot machines also have RNG, which exclude any possibility to cheat. This methodic allows very fair and precise balancing without actually hurting neither the players' interests nor the casino revenue.

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

Casinos: Native American
There are no slot machines in Native American casinos located in reservations. It becomes possible when the tribe first reaches a pact with the state in which it is located. Typically, a pact entitles the state to receive a fraction of the gross revenue from slot machines.

Classes Of Slots
No federal law is created to govern slot machines. There is no universal classification for all states. Some states have restrictions on the type of slot machines that can be used in a casino or other gaming area. The operation of "Class III" (or "traditional") slot machines is fulfilled from a centralized computer system. The chance of winning any payout is the same with every play. There are a lot of Class III slots in Nevada or Atlantic City. They are also called "Vegas-style slots".
"Class II" slot machines ("video lottery terminals" or "VLTs") are connected to a centralized computer system. The determination of the outcome of each wager is fulfilled by it. Each machine has an equal chance of winning a series of limited prizes. 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. There is a common prize for which they are competing. There is always someone who wins. The game stops when the winner appears. A given set has a certain number of wins and losses. The combimation that has already occurred cannot occur again until a new batch is initiated. The games depend on one another. The player must be an active participant. The same set of numbers is played by all players.

Class III Game Characteristics
The player is playing against the house. Each game is independent of previous games. Any possible outcome can occur in any game.

Slot Clubs
There is free memberships in "slot clubs" in many casinos of America. Complimentary food, drinks, hotel rooms, or merchandise are called comps and this is the way a small fraction of the amount of money that is bet is returned to the players. The cards are used to insert into the slot machines in these clubs. Comps or "cash back" from these clubs makes significant differences in the maximum theoretical returns.

Australia
One of the most popular Australian poker machine games is Queen of the Nile. The term Gaming Machines is officially used to denote Australian slot machines. Australian-style gaming machines have video displays for stimulating physical reels. There are five of them in most cases. The laws regulating the use of gaming machines in Australia are a matter for State governments.
Gaming machines are found in casinos as well as pubs and clubs in some states. New South Wales was the first state to legalize this style of gambling. Their legalization in all registered clubs in the state was in 1956.
The usage of particular forms of gaming machine is allowed in Western Australia.

United Kingdom
Row of old fruit machines are usually known as fruit machines, one-armed bandits and AWP in Britain. Fruit machines are commonly found in pubs, clubs, arcades, and some take-away food shops. 3, 4 or 6 reels with around 16 or 24 fruit symbols printed around them can be found on the machines. These reels should be spun. The machine pays winnings if certain combinations of fruit appear. Slot machines seen in casinos and elsewhere around the world are similar to these machines. But there are some extra features. The jackpots from these machines are limited. Fruit machines in the UK also almost universally have the following features. A player can hold one or more reels before spinning. It sometimes increases 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 type and the location of the machine influences the maximum payout for an individual game. There are "club machines" in private members' clubs. They charge more per game and have higher jackpots.
These machines differ from American slot machines. The probability of getting the jackpot in each game is independent of any other game.
The AWP fruit machine is played in Europe and in countries such as the Czech Republic, Russia, and Ukraine.

Japan
Pachisuro are Japanese slot machines. Their ancestor is the traditional Japanese pachinko game. Slot machines are new phenomenon. Pachinko parlors and the adult sections of amusement arcades, known as game centers have them.
Regulation of the machines is fulfilled by IC chips. They have six different levels changing the odds of a "777". There are certain rules and regulations in spite of the many varieties of the machines.

Have you ever met a man who has managed to cheat slots?
It is impossible to cheat the slot machine, but to improve the payout is possible. It was proved by a gambler whose name was Tommy Glenn Carmichael.
Carmichael, now 53, had a long history of inventing devices to cheat slot machines. His first device was a kind of a top-button joint. By the way, for this device he was sent to prison. After the release Tommy began to invent new kinds of devices for cheating slot machines. His next invention was a slider, a guitar wire. He inserted it into the machine, which released coins form the hopper.
Later, as slot machines became computer based, he had to invent a new tool. Tommy found a manufacture who showed him the inside of a slot machine. It was enough for Tommy. His new inventions was a light want that blinded the sensor of the slot machine and as a result got winnings. Carmichael marketed these wands to other slot cheats, making as much as ,000 a day. Now he could afford the most expensive cars and several houses.
But as known good things can’t last forever. While using his devise Tommy was caught by the police. While charges from that incident were later dropped, he was caught under similar circumstances in Laughlin and later Atlantic City. By that time the police already have all necessary clues to prove that Tommy was guilty. He got three years’ probation and lost everything that he had bought before. He has been banned from entering any casino.