Roland BK-5 用户手册

Backing Keyboard BK-5 

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Power does not turn on.

Is the included AC adaptor/power cord correctly connected to an 
AC outlet and to the BK-5?
Do not use any AC adaptor or power cord other than the ones 
included. Doing so will cause malfunctions.

No sound from the BK-5.

Did you switch the BK-5 on?

Could the [VOLUME] knob be turned down? Select a higher set-
ting.

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Can you hear sound through headphones?
If you can hear sound through headphones, it may be that the 
connection cables are broken, or that your amp or speaker has 
malfunctioned. Check the cables and your equipment once again.

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Could the part volume settings have been minimized?
Check the “Volume” setting of each part.

Could a MIDI message received from an external MIDI device (vol-
ume message or exclusive message) have lowered the volume?

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The volume level of the instrument is too low 
when it is connected to an amplifier.

Could you be using a connection cable that contains a resistor? 
Use a connection cable that doesn’t contain a resistor.

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The pitch of the selected rhythm/song is incorrect. Is the “Tuning” setting appropriate?

Did you transpose the rhythm/song? Also check the “Rhythm 
Scale Tune” parameter.

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Can’t hear the vocal of an audio file (mp3 or WAV).

Can’t hear the melody of SMF files.

If the [TRACK MUTE] (CENTER CANCEL) button is lit, the vocal 
sound will be attenuated.
If the [TRACK MUTE] button is lit, the melody of the MIDI files will 
be muted. Switch it off.

A “buzz” is heard from the external amplifier

Is the external amplifier or other device used with the BK-5 con-
nected to a different AC power outlet?
Connect the amplifier or other device to the same AC outlet as the 
BK-5.

—

Can’t play an audio/mp3-format song

Is the song in a format that the BK-5 is able to read?

After connecting the BK-5’s USB COMPUTER port 
to your computer, the BK-5 doesn’t receive MIDI 
messages.

The BK-5 may be receiving on a MIDI channel on which the MIDI 
controller doesn’t transmit. Correct the MIDI controller’s transmit 
channel.

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Unable to read from/write to USB memory.

Are you using an (optional) Roland USB memory (M-UF series)? 
Reliable performance cannot be guaranteed if you use non-
Roland USB memory products.

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Check the format of your USB memory. The BK-5 can use USB 
memory that has been formatted as FAT. If your USB memory was 
formatted using any other method, please re-format it using the 
BK-5.

Can’t save to USB memory.

Could the USB memory be write protected?

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Is there sufficient free space on the USB memory?

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Audio recording won’t start or stops unexpectedly. Are you using an (optional) Roland USB memory (M-UF-series)? 

Reliable performance cannot be guaranteed if you use non-
Roland USB memory products.

—

Is there sufficient free space on the USB memory?

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BK-5_US.book  Page 115  Monday, November 14, 2011  12:43 PM