When certain symbols appear in a winning combination a special feature of the particular game theme is activated, which is a Bonus. In the 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. A mechanical device, such as a spinning wheel is used by some bonuses. To display the amount won it works in conjunction with the bonus.
A light on top of the slot machine is Candle. It flashes to alert the operator that change is needed, hand pay is requested or a potential problem with the machine.
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 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.
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. A drop bucket can usually be found in low denomination slot machines. A drop box can be found in high denomination slot machines. A drop box contains a hinged lid with one or more locks whereas a drop bucket doesn't contain a lid. There is a scheduled basis on which the contents of drop buckets and drop boxes are collected and counted.
EGM is used as a short-hand for Electronic Gaming Machine.
A payout made by a slot attendant or cage, rather than the slot machine is Hand pay. 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 could also be necessary as a result of a short pay.
Hopper fill slip is 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. The are shown with the slip.
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.
A payback percentage based on a gambler using the optimal strategy in a skill-based slot machine game is called Optimal play.
Payline is 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.
Rollup is the process of dramatizing a win by playing sounds while the meters count up to the amount that has been won.
The term Short pay is used to mean 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. Then the remaining amount is paid as a hand pay or the machine is re-filled by an attendant.
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 worksheet also indicates the reel strip settings, number of coins that may be played, the payout schedule, the number of reels and other information.
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.