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. Some bonuses use a mechanical device, such as a spinning wheel. It works in conjunction with the bonus to display the amount won.
There is a light on top of the slot machine called Candle. It flashes when change is needed and hand pay is requested.
A grouping of slot machines, usually in a circle or oval formation are called Carousel.
There is a container where the coins that are immediately available for payouts are held called Coin hopper. It is used to rotate 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.
Credit meter is a visual display of 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, a drop bucket is used for low denomination slot machines. As for high denomination slot machines they use a drop box. A drop bucket doesn't contain a lid while a drop box contains 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 exceeds 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.
There is Hopper fill used to record the replenishments of the coin in the coin hopper after it becomes depleted as a result of making payouts to players. 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.
Low Level or Slant Top slot machines include a stool so you can sit and play. Playing Stand Up or Upright slot machines you won't be able to sit.
The term Optimal play means a payback percentage based on a gambler using the optimal strategy in a skill-based slot machine game.
Payline is a straight or zigzagged line that crosses through one symbol on each reel, along which a winning combination is evaluated. There are up to nine pay lines in classic spinning reel machines while there can be one hundred pay lines in video slot machines.
The term Rollup is used to mean the process of dramatizing a win by playing sounds while the meters count up to the amount that has been won.
Short pay refers to a partial payout made by a slot machine, which is less than the amount due to the player. 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 term Theoretical Hold Worksheet. Is used to denote a document provided by the manufacturer for all slot machines. Basing on adequate levels of coin-in it indicates the theoretical percentage that the slot machine should hold. The worksheet also indicates the reel strip settings, number of coins that may be played, the payout schedule, the number of reels and other information.
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.

I tis important to now what you are playing.
Always make sure that you insert the correct amount of coins into a machine. Always cash out your credits before leaving a machine.
Slots shouldn't be a stress for you, just enjoy. Be smart and change oyur bets according to your luck.

United States
In the United States the availability of slot machines is highly regulated by state governments. Many states have established gaming control boards to regulate the possession and use of slot machines. Nevada is the only state that has no significant restrictions against slot machines. New Jersey allows only hotel casinos operated in Atlantic City to have slot machines. Only licensed riverboats or permanently-anchored barges are allowed to have slot machines in some states. Only three horse tracks are allowed to have slot machines in Delaware. State lottery commission regulates them.

Native American Casinos
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. According to the pact a fraction of the gross revenue from slot machines is received by the state.

Classes Of Slot Machines
No federal law is created to govern slot machines. Each state has its own classification. There are restrictions on the type of slot machines that can be used in a casino or other gaming area in some states. The operation of "Class III" (or "traditional") slot machines is fulfilled from a centralized computer system. Every play has equal chances of winning any payout. There are a lot of Class III slots in Nevada or Atlantic City. They are sometimes referred to as "Vegas-style slots".
There is a connection between "Class II" slot machines ("video lottery terminals" or "VLTs") and 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. There are no tight regulations for Class II games.

Characteristics Of Class II Games
The player is playing against other players. There is a common prize for which they are competing. There is always someone who wins. The game is continued until someone wins. 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. There is a dependence of between the games. The player must be an active participant. 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 possible outcome can occur in any game.

Clubs Of Slot Players
Free memberships in "slot clubs" is offered by many American casinos. A small fraction of the amount of money that is bet is returned in the form of comps. The requirement of such clubs is the usage of cards for the slot machines. Comps or "cash back" from these clubs makes significant differences in the maximum theoretical returns.

Slots In Australia
Queen of the Nile is a poker machine that is very popular in Australia. Australian slot machines are called Gaming Machines. Australian-style gaming machines frequently use video displays 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.
There are Gaming machines not only in casinos but also in pubs and clubs in some states. The first Australian state to legalize this style of gambling was New South Wales. Their legalization in all registered clubs in the state was in 1956.
Western Australia only permits the use of particular forms of gaming machine.

Slots In The United Kingdom
In Britain slot machines are known as fruit machines, one-armed bandits and AWP. 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. The machine pays winnings if certain combinations of fruit appear. There is similarity between these machines and slot machines seen in casinos and elsewhere around the world. These games have lots of extra features. The jackpots from these machines are limited. The UK fruit machines have some features. There is an opportunity for a player to hold one or more reels before spinning. It sometimes increases the chance of winning. A player is also given a finite number nudges following a spin. A single-step rotation of a reel of the player's choice is a called a nudge.
The maximum payout for an individual game depends on the type and the location of the machine. There are "club machines" in private members' clubs. Their jackpots are higher and they are allowed to charge more per game.
The manner of operation of these machines is different from American slot machines. The jackpot can be won in each game independently.
The AWP fruit machine is played in Europe and in countries such as the Czech Republic, Russia, and Ukraine.

Slots In Japan
Pachisuro are Japanese slot machines. They originate from 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. There are six different levels changing the odds of a "777". There are certain rules and regulations in spite of the many varieties of the machines.