Yamaha CP1 Owner's Manual page 65

The Edit Indicator ( ) appears even though nothing has been edited.
 The Edit Indicator may appear when parameter settings are changed as a result of knobs being
turned or the CP1's internal tone generator being played by an external MIDI device.
Data exchange with a computer is not working.
 Ensure that the computer's port settings are correct.
 Ensure that the interface selected for the exchange of MIDI messages (i.e., USB or MIDI) matches
the actual physical connections that have been made. (See page 58)
Press the [UTILITY] button  Navigate to the fourth page using the [
Press the [STORE] button and store settings.
No sound is produced by the CP1 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 CP1
receive channel.
Press the [UTILITY] button  Navigate to the fourth page using the [
(see page 58).
 Confirm whether the CP1's KbdMode parameter is set to "zone" .
Keyboard zones must be setup in order to play sounds on two channels simultaneously. (See page 51.)
Transmission and receipt of data using the Bulk Dump function is not
working.
 If you are having trouble sending data, ensure that the CP1's device number setting matches the
device number of the connected MIDI device.
Press the [UTILITY] button  Navigate to the fourth page using the [
(see page 58).
 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  Navigate to the fourth page using the [
Press [STORE] button and store settings (see page 58).
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  Navigate to the seventh page using the [PAGE
device (see page 62).
 Ensure that you are using a variety of USB flash-memory device supported by the CP1. (See page
23.)
 Ensure that the USB flash-memory device is not connected via a USB hub.
Connection via USB hubs is not supported. (See page 23.)
] buttons  Turn Knob 5 to set In/Out 
PAGE] and [PAGE
] buttons  Confirm the RecvCh setting
PAGE] and [PAGE
] buttons  Confirm the DevNo setting
PAGE] and [PAGE
] buttons  Turn Knob 4 to set DevNo 
PAGE] and [PAGE
] button  Press Knob 6 to format the USB flash-memory
Troubleshooting
65
CP1 Owner's Manual