E-41SpecificationsModel: LK-50Keyboard: 61 standard-size keys, 5 octaves (with touch response on/off)Key Light System: Can be turned on and off (up to 10 keys can be lit at the same time)Tones: 137 (128 General MIDI tones + 9 drum tones); with layer and splitRhythm Instrument Tones: 61Polyphony: 24 notes maximum (12 for certain tones)Auto AccompanimentRhythm Patterns: 100Tempo: Variable (216 steps, = 40 to 255)Chords: 3 fingering methods (CASIO CHORD, FINGERED, FULL RANGE CHORD)Rhythm Controller: START/STOP, INTRO, NORMAL/NORMAL FILL-IN, VARIATION/VARIATION FILL-IN,SYNCHRO/ENDINGAccomp Volume: 0 to 127 (128 steps)3-step Lesson: 3 lessons (Step 1, 2, 3)Playback: Repeat play of a single tuneSong BankNumber of Tunes: 100Controllers: PLAY/PAUSE, STOP, FF, REW, LEFT/TRACK 1, RIGHT/TRACK 2Musical Information Function: Tone, Auto Accompaniment, Song Bank numbers and names; staff notation, tempo, metro-nome, measure and beat number, step lesson display, chord name, dynamic mark, fingering,pedal operationMetronome: On/OffBeat Specification: 1 to 6MemorySongs: 2Recording Tracks: 2Recording Methods: Real-time, stepMemory Capacity: Approximately 5,200 notes (total for two songs)MIDI: 16 multi-timbre receive, GM Level 1 standardOther FunctionsTranspose: 25 steps (-12 semitones to +12 semitones)Tuning: 101 steps (A4 = approximatery 440Hz ±50Cents)TerminalsMIDI Terminals: IN, OUTAssignable Jack: Standard jack (sustain, sostenuto, soft, rhythm start/stop)Headphone/Output Terminal: Stereo standard jackOutput Impedance: 100Output Voltage: 4.5V (RMS) MAXPower Jack: 9V DCPower Supply: 2-wayBatteries: 6 AA-size batteriesBattery Life: Approximately 4 hours continuous operation on alkaline batteries(Approximately 30 minutes continuous operation on manganese batteries)AC Adaptor: AD-5Auto Power Off: Turns power off approximately 6 minutes after last key operation. Enabled under batter poweronly, can be disabled manually.Speaker Output: 2.5W + 2.5WPower Consumption: 9V 7.7WDimensions: 94.3 x 37.8 x 13.4 cm (37 1 / 8 x 14 7 / 8 x 5 1/ 4 inch)Weight: Approximately 5.4 kg (11.9 lbs)(without batteries)• Design and specifications are subject to change without notice.474A-E-043A