that it will not change until another input is recorded by the device or until a new audio track is loaded which sets the playback speed to the default value for that track when the pitch control mode switch button 18 is pressed the rotational input device 14 is used to control the playback speed of the tracks by rotating the rotational input clockwise the playback speed may be increased and by rotating the rotational input counter clockwise the playback speed may be decreased also when the pitch control mode switch button 18 is pressed the display 13 displays a special screen showing the current playback speed value of the currently played audio track of the selected channel when the disc jockey changes the playback speed value the display 13 is updated with the new value to give feedback to the disc jockey the button 18 is preferably located on the upper left side of the housing 12 to make it easy for the disc jockey to activate the playback speed manipulation functionality by using the left hand thumb or in the case of a left handed disc jockey with the fingers of the right hand to activate the cross fade function for the lineout output that is the transition from the track of the first channel to the track of the second channel the disc jockey may use the cross fade input 16 on the front side of the device located just below the input device 14 by sliding the finger all the way to the left or right the disc jockey sets the audio output to be either the first channel or the second channel.