Disklavier

Hi Jason,

The Disklavier incorporates a 500msec delay when it receives MIDI data
in order to be able to play more accurately. There is a "secret" mode on
the MX100B called "Realtime MIDI-IN Mode. To access it, power up while
holding in the MIDI button. Continue holding the MIDI button until
MIDIOUT=DELAYOUT is displayed. Release the MIDI button and press the
METRONOME button. The LED on the METRONOME button will light, the LCD
will not change. You are now in Realtime MIDI-IN Mode.

It isn't exactly Realtime in. What you will find is the higher the
velocity of the note data going into the Disklavier, the faster the
Disklavier will respond. For instance, a note with a velocity of 20 will
take 212ms before it is played back by the Disklavier. A note with a
velocity of 127 will take 32ms before it is played back by the
Disklavier. This is the variable range you will experience while in this
mode. By feeding it higher velocities, you can pretty well use the
Disklavier as a "tone generator."

It is possible that your MX100B may not be able to perform in this
mode. It may not have ROMs on the control board that are new enough. The
way to know if your Disklavier can access this mode, try powering up
while depressing the MIDI button with no disk in the disk drive. If the
LCD displays "INSERT DISK", you will need to have new ROMs installed on
the control board of the piano.

I hope this information helps!

Bill Brandom
Senior Technical  Manager, Piano Division 
YAMAHA Corporation of America 
TEL (800) 854-1569  FAX (714) 522-9424
E-mail: bbrandom@... 
Web: http://www.yamaha.com 


>>> jstein@... 10/07/2003 9:43:48 AM >>>
Hi everyone, I'm new to this group, having just purchased a used 
MX100B.  I have a problem that I thought maybe someone in this group 
has a solution for.  I would like to use this in a live performance -
 however I need to have the keys to some of the songs transposed for 
the singers.  I am not sure if the MX100B will "transpose" on the 
fly, so instead I had the idea that I would use another Yamaha P-150 
Electric Piano and hook it up through the MIDI ports.  I was able to 
get it to work with one small problem.  Everytime that I play the P-
150 keyboard, there is a 500msec delay till you hear the 
Disklavier.  Is there any way to prevent this delay?  Maybe there is 
something I could purchase (like an upgrade) to prevent this delay?  
Any ideas would help?

Thanks.

--Jason


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