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. As the player chooses items, a number of credits is revealed and awarded. Some bonuses use a mechanical device, such as a spinning wheel. To display the amount won it works in conjunction with the bonus.
Candle is a light on top of the slot machine. It alerts the operator that change is needed, hand pay is requested or there is a potential problem with the machine.
A grouping of slot machines, usually in a circle or oval formation are called Carousel.
Coin hopper contains the coins that are immediately available for payouts. 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.
To display the amount of money or credits on the machine Credit meter is used.
Drop bucket or Drop box is used for diverting exess coins from the hopper. It is generally used in low denomination slot machines. And a drop box is used for high denomination slot machines. There is a hinged lid with one or more locks in a drop box and there ais no such lid in a drop bucket. There exists a scheduled basis for collecting and counting the contents of drop buckets and drop boxes.
EMG is Electronic Gaming Machine.
Hand pay refers to a payout made by a slot attendant or cage, rather than the slot machine. 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 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. The slip exists to indicate 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. You will have to stand while playing Stand Up or Upright slot machines.
The term Optimal play means 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.
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. This occurs if the coin hopper has been depleted as a result of making earlier payouts to players. 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. The theoretical percentage that the slot machine should hold based on adequate levels of coin-in is idicated in it. 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.
Weight count is an American term, referring to 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.

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.
In reality it is not to casino’s advantage to place loose slots at one and the same place, because in this case gamblers would play only these slots. The slots are mixed and nobody can say for sure whether this slot is a loose one or not.
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.
It is not so. With every game the chances of winning are the same.
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.
Once again, the computer determines a win or loss and the temperature of the machine or moneyirrelevant. Although it's funny that people still burn their fingers with lighters believing this works.
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.

Knowing the rules is of great importance when playing any casino game. With slots the rules are very simple: Read the payout chart, insert coins, push button, (or pull handle), insert more coins. If you hear bells ringing and see lights flashing it means that you win. Of course you can win much, but never bet or spend more than you can afford.
Rules for playing Slots
Only slots have so simple rules. In fact it is so because there are no rules at all. All the player has to do is drop coins in the slot and pull the handle or push the spin button. The mission of the game is to match preselected symbols on the pay line, (or paylines, depending on the machine being played, there can be up to 5 pay lines on some machines), to earn credits. Slots machines have different betting limits. They can be as low as 5 cents and as high as 0.
It is a popular game for beginners because it is just them against the machine. They don't have to worry about rules and regulations, or being laughed at by the other players for making a bad play, all they have to do is try to hit the jackpot by matching the highest paying symbols on one of the pay lines.

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. The only state that has no significant restrictions against slot machines is Nevada. Slot machines are allowed only in hotel casinos operated in Atlantic City in New Jersey. Only licensed riverboats or permanently-anchored barges are allowed to have slot machines in some states. Delaware allows slot machines at three horse tracks. State lottery commission exists for their regulating.

Native American Casinos
Slot machines are forbidden in Native American casinos located in reservations. When the tribe first reaches a pact with the state in which it is located it gets the permission to have them. According to the pact a fraction of the gross revenue from slot machines is received by the state.

Slot Machine Classes
No federal law is created to govern slot machines. There are different classifications of them. 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. 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 outcome of each wager is determined 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. The state doesn't regulate Class II games so tightly.

Class II Game Characteristics
The players are playing against each other. The prize is common. Each game has a winner. Only when there is a winner the game stops. 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 are dependant on each other. 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 house plays against the player. The previous games don't influence the following ones. There can be any possible outcome 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" allows to make the differences in the maximum theoretical returns significant.

Slots In Australia
Queen of the Nile is very popular in Australia. Gaming Machines is an official name for Australian slot machines. Australian-style gaming machines frequently use video displays to simulate physical reels. There are five of them in most cases. 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. New South Wales was the first state to legalize this style of gambling. In 1956 they were made legal in all registered clubs in the state.
Western Australia only permits the use of particular forms of gaming machine.

The UK
The terms fruit machines, one-armed bandits and AWP are used to denote slot machines in Britain. Pubs, clubs, arcades, and some take-away food shops have fruit machines. 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 machines and slot machines seen in casinos and elsewhere around the world are very similar. But there are some extra features. However, the jackpots from these fruit machines are strictly limited. The UK fruit machines have some features. A player can hold one or more reels before spinning. The chance of winning is sometimes increased. A finite number nudges following a spin is given to a player. 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 is different depending on the type and the location of the machine. Private members' clubs are allowed to have "club machines". They have higher jackpots and are allowed to charge more per game.
These machines differ from American slot machines. The jackpot can be won in each game independently.
The AWP fruit machine is popular across Europe and in countries such as the Czech Republic, Russia, and Ukraine.

Japanese Slots
The term pachisuro is used to denote Japanese slot machines. 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.
Regulation of the machines is fulfilled by IC chips. They have six different levels changing the odds of a "777". All machine varieties have certain rules and regulations.

Meet the man who beat the slots.
Slot machines pay on a random basis, but what if you could improve the payout a little? Would you do it? Tommy Glenn Carmichael would and did.
Tommy is now 53 and he can be said to have spent all his life inventing different 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. 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, 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 to learn everything that he wanted. Carmichael invented what he called a “light wand. ” The wand, built with a camera battery and a bright miniature light, was used to shine into the slot machine and blind a sensor, causing the hopper to pay out coins. He sold these wands and could earn up to ,000 a day. Now he could afford the most expensive cars and several houses.
But good thing will end one day. While using his devise Tommy was caught by the police. 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.