A special feature of the particular game theme activated when certain symbols appear in a winning combination is Bonus. The player is presented with several items on a screen from which to choose. After choosing 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.
Candle is a light on top of the slot machine. It flashes when change is needed and hand pay is requested.
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. When a player collects credits this mechanical device rotates coins into the coin tray. 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 a visual display of 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. It is generally used in low denomination slot machines. High denomination slot machines use a drop box. There is a hinged lid with one or more locks in a drop box and there ais no such lid in a drop bucket. The casino collects and counts the contents of drop buckets and drop boxes.
EMG is Electronic Gaming Machine.
The term Hand pay means 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 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 are shown with the slip.
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 is used to denote a payback percentage based on a gambler using the optimal strategy in a skill-based slot machine game.
A straight or zigzagged line that crosses through one symbol on each reel, along which a winning combination is evaluated is called Payline. There are up to nine pay lines in classic spinning reel machines while there can be one hundred pay lines in video slot machines.
Rollup is 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. If the coin hopper has been depleted as a result of making earlier payouts to players the short pay happens. Then the remaining amount is paid as a hand pay or the machine is re-filled by an attendant.
Theoretical Hold Worksheet is a document provided by the manufacturer for all slot machines. 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.

As you know there are different types of slot machines. And do you know that there are even types of slot palyers.
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.
The player has either seen a person playing a slots game for a while with no payouts or alternatively they have been depositing funds into a slots game and haven’t yet seen any payouts. 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. Makes sense if you have lost 0. 00 and have yet to win. 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 where hot then the slot machine had not paid out in a while and to the chaser this was good as the machine was do. In fact the coins could be hot only because of the numerous lights that heated the coins.
The second type of slot players is a chaser.
The player thinks that the machine he is going to play is not a machine that never pays. Players feel more comfortable and confident because they have been reinforced with a win and gain trust in the machine. There is some kind of comfort and trust between the slot machine and the player.