Bonus is a special feature of the particular game theme, which is activated when certain symbols appear in a winning combination. Several items on the screen are presented to the player to choose. As the player chooses items, a number of credits is revealed and awarded. A mechanical device, such as a spinning wheel is used by some bonuses. The amount won is displayed with the help of it in conjunction with the bonus.
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.
There is a container where the coins that are immediately available for payouts are held called Coin hopper. It rotates coins into the coin tray when a player collects credits. A coin diverter is used to redirect 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.
A a container located in a slot machine's base where excess coins are diverted from the hopper is Drop bucket or Drop box. 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. The contents of drop buckets and drop boxes are collected and counted by the casino on a scheduled basis.
EGM is a short-hand for Electronic Gaming Machine.
Hand pay refers to a payout made by a slot attendant or cage, rather than the slot machine. When the amount of the payout exceeds the maximum amount that was preset by the slot machine's operator a hand pay occurs. The maximum amount is set at the level where the operator must begin to deduct taxes. A hand pay can also be a result of a short pay.
Hopper fill is a document used for recording 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.
A stool is included into Low Level or Slant Top slot machines, so you can sit and play. Playing Stand Up or Upright slot machines you won't be able to sit.
Optimal play is a payback percentage based on a gambler using the optimal strategy in a skill-based slot machine game.
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. Up to nine pay lines are contained by classic spinning reel machines and video slot machines contain up to a hundred ones.
The process of dramatizing a win by playing sounds while the meters count up to the amount that has been won is Rollup.
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.

As you know there are different types of slot machines. And do you know that there are even types of slot palyers.
Persistent player.
The players of this type believe that very soon there will be a period when the machine begins to pay. The machine can begin paying in any second.
The player will play until the machine pays out. He must have found a machine that haven’t paid for a long period of time or he has inserted to many coins and has got nothing. They know the next big win, or any win is due to pay out. The rush is that if they leave after depositing so much money in the machine it will erupt and the payouts will be often and large. 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 players have their own way of determining whether the machine has not paid out for a long period of time. They touch the coins to see whether they were cold or hot. 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.
Chaser is the next type of slot players.
The player have won and being reinforced by the win gains trust in the slot machine. A sense of comfort exists between the slot machine and the player.

Every casino game has its own rules, features and of course etiquette. Slots are not an exception here. Even though playing the slots is primarily a solo activity, there are definite do's and don'ts when it comes to playing the slots. The first piece of slot machine etiquette is to determine deal or not to deal with particular slot machine. 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? To do it you have to hang a coin cup over the handle of the slot machine. Placing the coin cup on the seat means the same. In casinos that use a cashless system, a personal item such as a jacket can be placed on the seat instead. If you see any of these signals at a particular machine, be sure to respect the signal and move on to a free machine. This is an extremely common occurrence, and just about every slot player has either found an abandoned card, left a card in a machine, or both. If it happens to you, put the card on the top of the slot machine. The player will come back and find it easily. Now smoking is allowed in most of the casinos. So if you smoke respect other players and place the ashtray as far from other players as possible. Tipping is another difficult issue for many slot players, and many people are unsure how much to tip the attendant that brings the winnings. For jackpots that require a hand payout, the customary tip is one half of one percent of the jackpot.

The USA
The United States state governments regulate the availability of slot machines. 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 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. Only three horse tracks are allowed to have slot machines in Delaware. State lottery commission exists for their regulating.

Native American Casinos
There are no slot machines in Native American casinos located in reservations. 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 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. "Class III" (or "traditional") slot machines operate independently from a centralized computer system. The chance of winning any payout is the same with every play. Nevada or Atlantic City have more Class III slots than any other state. They are sometimes referred to as "Vegas-style slots".
There are "Class II" slot machines ("video lottery terminals" or "VLTs") which are connected to a centralized computer system. It determines the outcome of each wager. Each machine has an equal chance of winning a series of limited prizes. The casino pays a fee to the state for each Class III game. The regulations for Class II games are not so tight.

Class II Game Characteristics
The players are playing against each other. There is a common prize for which they are competing. 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. Once a certain combination has occurred it cannot occur again until a new batch is initiated. The games are dependant on each other. The player is an active participant of the game. There is the same set of numbers for all players.

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

Slot Clubs
In American casinos there are "slot clubs" the membership of wich is free. 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. A member of such club should 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. 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 usually five of them. The use of gaming machines in Australia is regulated by the laws.
Not only casinos but also pubs and clubs in some states have Gaming machines. This style of gambling was legalized first in New South Wales. In 1956 they became legal in all registered clubs in the state.
Western Australia only permits the use of particular forms of gaming machine.

United Kingdom
Row of old fruit machines are usually known as fruit machines, one-armed bandits and AWP in Britain. Fruit machines can be met 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 should be spun. The machine pays winnings if certain combinations of fruit appear. These are very similar to slot machines seen in casinos and elsewhere around the world. But there are some extra features. There exists a strict jackpot limit. There are some features of fruit machines in the UK. There is an opportunity for a player to hold one or more reels before spinning. It sometimes increases the chance of winning. A player may also be given a finite number nudges following a spin. The term nudge is used to denote a single-step rotation of a reel of the player's choice.
The maximum payout for an individual game depends on the type and the location of the machine. Private members' clubs 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 played in Europe and in countries such as the Czech Republic, Russia, and Ukraine.

Slots In Japan
Pachisuro is the name for Japanese slot machines. The traditional Japanese pachinko game is their ancestor. Slot machines are a fairly new phenomenon. Pachinko parlors and the adult sections of amusement arcades, known as game centers have them.
IC chips regulate the machines. There are six different levels changing the odds of a "777". Despite the many varieties of the machines, there are certain rules and regulations.

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.
Tommy is now 53 and he can be said to have spent all his life inventing different 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. Then he was released, but continued to work at inventing devices for cheating a slot. The principle of his next invention was following: he inserted a guitar wire in the slot machine and it made the coins release 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. Tommy found a manufacture who showed him the inside 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.
Eventually, all good things come to an end. Tommy was caught using his invention in one of the casinos. 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.