Casio CTK900 User Guide - Page 81

Troubleshooting Problem Possible Cause Action See page Nothing happens when the LAYER or SPLIT button is pressed. 1. One or more of the melody channels (2 through 4) is turned off. 2. The volume setting of one or more of the melody channels (2 through 4) is too low. 3. The keyboard is in record standby. 4. The SMF Player Mode is currently being use. 1. Use the Mixer to turn on Channels 2 through 4. 2. Use the Mixer to raise the volume setting of Channels 2 through 4. 3. The LAYER and SPLIT buttons are disabled during recording and record standby. 4. Turn off the SMF Player Mode. LAYER and SPLIT are not available while the SMF Player Mode is in use. E-36 E-37, 38 E-61, 62 E-71 No sound is produced when playing MIDI data from a computer. 1. MIDI cables are not connected properly. 2. Channel is turned off, or volume setting is too low. 1. Connect MIDI cables properly. E-75 2. Use the Mixer to turn the E-36, 38 channel on, or raise the volume setting. Playing on the keyboard produces The computer's MIDI Thru function is an unnatural sound when turned on. connected to a computer. Turn off the MIDI Thru function on E-70 the computer or turn off Local Control on the keyboard. Cannot record chord accompaniment data on a computer. Accomp/Song MIDI Out is turned off. Turn on Accomp/Song MIDI Out. E-70 The keyboard starts up abnormally when it is turned on. 1. Flash memory is corrupted. 2. The keyboard detected abnormal flash memory data and is automatically resetting the keyboard system. 1. a. Remove the batteries from the keyboard and disconnect the AC adaptor and press the POWER button. b. Reload the batteries and/or reconnect the AC adaptor, and then press the POWER button again to turn on power c. Use the TRANSPOSE/ FUNCTION button to perform the system reset operation • If this does not solve the problem, contact your nearest authorized CASIO Service Provider to request repair. 2. Wait (about 40 seconds) until the "Pls Wait" message disappears from the display. E-70 A downloaded tone with waveform contains noise or keyboard operations become abnormal when user data is selected. A tone's quality and volume sounds slightly different depending where it is played on the keyboard. Someone may have turned off the Use the TRANSPOSE/FUNCTION keyboard while data was being stored in button to perform the system reset Flash memory or something else has operation. caused Flash memory contents to become If this does not correct the problem, corrupted for some reason. contact your nearest authorized CASIO Service Provider to request maintenance. This is an unavoidable result of the digital sampling process,* and does not indicate malfunction. * Multiple digital samples are taken for the low range, middle range, and high range of the original musical instrument. Because of this, there may be a very slight difference in tonal quality and volume between sample ranges. E-70 707A-E-081A E-79