the lighting designer. The operator sets the faders into their positions based on the cue sheets. Typically during a cue, the operator sets the next scene. Then the operator makes the transition between the scenes using the cross-fader. Preset boards are not as prevalent since the advent of digital memory consoles, which can store scenes digitally, and are generally much less cumbersome but more expensive than preset boards. However, for small setups such as that of a DJ, they remain the board of choice for their simple to use interface and relative flexibility. Preset boards generally control only conventional lights; though some advanced hybrid consoles can be patched to operate intelligent lights in a round-about way by setting the control channels of the light to channels the preset board can control. However, this is not recommended since it is a cumbersome process. Memory consoles Memory-based consoles have become very popular in almost all larger installations, particularly theatres. This type of controller has almost completely replaced preset consoles as controllers of choice. Memory consoles are preferable in productions where scenes do not change from show to show, such as a theatre production, because scenes are designed and digitally recorded, so there is less room for human error, and less time between lighting cues is required to produce the same result. They also allow for lighting cues to contain larger channel counts due to the same time savings gained from not physically moving individual channel faders. Many memory consoles have a bank of faders. These faders can be programmed to control a single channel (a channel is a lighting designer's numerical name for a dimmer or group of dimmers) or a group of channels (known as a ""submaster""). The console may also have provision to operate in analog to a manual desk for programming scenes or live control. On more advanced consoles, faders can be used to control effects, chases (sequences of cues), and moving light effects (if the console can control moving lights). Moving light controllers Moving Light Controllers are another step up in sophistication from Memory Consoles. As well as being capable of controlling ordinary luminaires via dimmers, they provide additional controls for intelligent fixtures. On midrange controllers, these are usually provided as a section separate from main Preset and Cue stack controls. These include an array of buttons allowing the operator to select the fixture or fixtures they want