Yamaha CP5 Owner's Manual page 56

Troubleshooting
No sound is produced by your CP5 or CP50 when a sequence is played
on a connected computer or MIDI device.
 Confirm that the channel being used by the computer to transmit MIDI data matches the stage
piano's receive channel.
Press the [UTILITY] button
Transmission and reception of data using the Bulk Dump function is not
working.
 If you are having trouble transmitting data, ensure that the stage piano's device number setting
matches the device number of the connected MIDI device.
Press the [UTILITY] button
 If you are having trouble receiving data, ensure that the device number setting is identical to that
used when sending the data.
Press the [UTILITY] button
the [STORE] button to store this setting (page 51).
Data cannot be saved on a USB flash-memory device.
 Ensure that the USB flash-memory device is not write protected.
 Ensure that the USB flash-memory device is correctly formatted.
Press the [FILE] button
Reference Manual pdf document for more details.)
 Ensure that you are using a type of USB flash-memory device supported by your CP5 or CP50
(page 25).
 Ensure that the USB flash-memory device is not connected via a USB hub.
Connection via USB hubs is not supported (page 25).
56
CP5/CP50 Owner's Manual
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Jump to Page 5 by pressing the [5] button
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Jump to Page 6 by pressing the [6] button
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Jump to Page 6 by pressing the [6] button
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Jump to Page 2 by pressing the [2] button
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Turn Knob 1 to set the RcvCh parameter appropriately.
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Turn Knob 1 to set the DevNo. parameter appropriately.
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Turn Knob 1 to set the DevNo. parameter appropriately
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Press Knob 2 to format the USB flash-memory device. (See the
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Press