Casio CTK-230 Sep. 2003 Electronic Keyboard User Manual


 
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SPECIFICATIONS
GENERAL
Keyboard: 49 standard-size keys, 4 octaves
Tones: 100
Polyphony: 12 notes maximum (6 for certain tones)
Auto Accompaniment
Rhythm Patterns: 100
Tempo: Variable (236 steps,
= 20 to 255)
Chords: 2 fingering methods (CASIO CHORD, FINGERED)
Rhythm Controller: START/STOP, SYNCHRO/FILL-IN
Accomp Volume: 0 to 9 (10 steps)
Song Bank
Tunes: 50
Controllers: PLAY/PAUSE, STOP, MELODY ON/OFF
Display
Name display: TONE, RHYTHM, SONG BANK name/number, keyboard setting names/
values
Tempo: Tempo value, metronome, synchro standby, beat indicator, volume set-
ting
Chord: Chord name
Song Bank Status: PLAY, PAUSE, MELODY ON/OFF
Other Functions
Transpose: 12 steps (–6 semitones to +5 semitones)
Tuning: Variable (A4 = approximately 440Hz ±50 cents)
Volume: 0 to 9 (10 steps)
Terminals
Phones/Output Terminal: Stereo standard jack (Output is monaural.)
Output Impedance: 78
Output Voltage: 3V (RMS) MAX
Power Supply Terminal: 9V DC
Power Supply: Dual power supply system
Batteries: 6 AA-size batteries
Battery Life: Approximately 6 hours continuous operation on alkaline batteries
Approximately 3 hours continuous operation on manganese batteries
AC Adaptor: AD-5
Auto Power Off: Turns power off approximately 6 minutes after last operation.
Enabled under battery power only, can be disabled manually.
Speaker Output: ø 10cm × 2 (1.6W + 1.6W)
Power Consumption: 9V
6.5W
Dimensions: 87.5 × 30.0 × 10.0 cm (34
1
/2 × 11
13
/16 × 3
15
/16 inch)
Weight: Approximately 3.2 kg (7.1 lbs) (without batteries)
ELECTRICAL
Current drain with 9 V DC:
No sound output 79 mA ± 20 %
Maximum volume 426 mA ±20 %
with 12 keys C3 to G4 pressed in Synth-Lead 1
Volume: 9 (Max.)
Phone output level (Vrms with 32 load each channel):
with key C5 pressed in Synth-Lead 1 200 mV ±20 %
Speaker output level (Vrms with 4 load each channel):
with key E2 pressed in Synth-Lead 1 640 mV ±20 %
Output level (Vrms with 47 K load each channel):
with key C5 pressed in Synth-Lead 1 675 mV ±20 %