Yamaha MX49 Owner's Manual page 43

Cannot start the Arpeggio.
 Check whether [ARP] is turned on or off.
 Are the Arpeggio switches for both Part and Common set to on?
[EDIT]  Select "02:Part"  [ENTER]  Select "03:Arp Select"  [ENTER]  "Switch"
[EDIT]  Select "01:Common"  [ENTER]  Select "04:Arp Switch"  [ENTER]  "Switch"
 Is the MIDI Sync parameter set to "internal" or "auto" (using internal clock)?
[UTILITY]  Select "02:MIDI"  [ENTER]  "MIDI Sync"
Cannot stop the Arpeggio.
 When Arpeggio playback does not stop even if you release the key, set the Arpeggio Hold parameter to "off."
[EDIT]  Select "02:Part"  [ENTER]  Select "03:Arp Select"  [ENTER]  "Hold"
The Voice produces a different sound depending on the assign destination Part or
Performance.
 Depending on the effect (and other) settings for the Performance or Part, the Voice assigned to the Performance or Part may produce
a different sound. If necessary, change the following parameter settings.
[EDIT]  Select "02:Part"  [ENTER]  Select "01:PlayMode"  [ENTER]  "ChoSend"/"RevSend"
[EDIT]  Select "01:Common"  [ENTER]  Select "01:Chorus Eff"/"02:Reverb Eff"  [ENTER]
[PART SELECT]  "InsSw"
[EDIT]  Select "02:Part"  [ENTER]  Select "02:Filter/EG"  [ENTER]
The Song/Pattern cannot be started even when pressing the [ / ] (Play/Pause) button.
 When you attempt to play back the Song data, is the USB flash memory containing the data connected to this instrument?
 Is the [DAW REMOTE] button turned off?
 Is the current display something other than Utility or File?
 Is the MIDI Sync parameter set to "internal" or "auto" (using internal clock)?
[UTILITY]  Select "02:MIDI"  [ENTER]  "MIDI Sync"
Data communication between the computer and this instrument does not work properly.
 Check whether the Port settings on the computer are appropriate or not.
 Check whether the MIDI IN/OUT parameter is set to the appropriate value or not.
[UTILITY]  Select "02:MIDI"  [ENTER]  "MIDI IN/OUT"
MIDI bulk data transmission/reception does not work properly.
 Is the Receive Bulk parameter set to on?
[UTILITY]  Select "02:MIDI"  [ENTER]  "RcvBulk"
 When receiving MIDI bulk data transmitted via the Bulk Dump function and recorded to the external MIDI device, you need to set the
MIDI Device Number to the same value as when transmitting.
[UTILITY]  Select "02:MIDI"  [ENTER]  "DeviceNo."
 When transmission does not work properly, is the device number of the MIDI instrument connected to this instrument set to match the
Device Number Parameter in the Utility display?
[UTILITY]  Select "02:MIDI"  [ENTER]  "DeviceNo."
Cannot save data to the USB flash memory.
 Is the USB flash memory being used write protected? (Write-protect should be set to off for saving data.)
 Is the USB flash memory being used properly formatted?
[FILE]  Select "05:Format"  [ENTER]  [INC/YES]
Appendix
MX49/MX61 Owner's Manual
43