CME U-Key, User Manual, Page: 46 / 64

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10.7 Troubleshooting
Trouble Possible reasons and solution
After turning on the
power switch, the
keyboard is not
powered on
1. Make sure you have connected the keyboard to its AC adaptor
with the proper AC supply
2. If the power is supplied via host USB, please check the USB
connection, and make sure that the host computer is turned on.
No sound when
playing the
keyboard
1. Check the volume settings of the tone generator and speaker
system
2. Check the MIDI connection and the audio cable
3. Check Master Volume fader
4. Check Channel Volume knobs
5. Check Channel Expression Knobs
6. Check the attack time of the filter
7. Make sure you have the right settings in you music software
8. Check the MIDI route settings
9. Check the Controller Pedal position
Continuous long
sound
1. Check Sustain pedal (Damper pedal)
2. Check the release time of the filter
3. Use All notes off or Reset
Improper voice
Tone generator not set properly
，
please Initialize or Reset
Wrong pitch Check Pitch bend, Transpose or Octave function of the keyboard
Tempo knob dose
not work
Make sure your sequencer software support this function with the
right settings(Refer to the Sync section of your software manual)
Some functions do
not work
It is possible that your tone generator or music software dose not
support those functions
You hear two
sounds when
playing one key
Check DUAL function of the keyboard
Cannot select
voice
Read the data list of your tone generator for voice select detail, and
properly set the tone BANK MSB and LSB