Yamaha disklavier DS4M4 PRO Maintenance Handbook - Page 23
Browse online or download pdf Maintenance Handbook for Musical Instrument Yamaha disklavier DS4M4 PRO. Yamaha disklavier DS4M4 PRO 36 pages.
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6. Regular field servicing
6 - 3. Maintenance Mode in the Service Center
Service Center program consists on both for post delivery checking and for maintenance.
Only one controller can be connected under Service Center program mode.
Service Center program
Service Center ( Open mode)
See 5-8.
Post delivery check
Program versions
Pedal calibration
Piano odometer
To enter Maintenance Mode from the Service Center, button pushing is TIME-SENSITIVE.
In sequence, press and hold, [D], [M] and [P] within a 1 second time frame.
Refer the menu contents by PRC100 stand alone
You can refer the all menu contents even there is no
piano ( active I/O center ) together and no connection
available. The dialog box will be all blank.
Necessary regular check
1) All connection check
GC1, C1 and C2 models have no
hammer sensor. This check shows
you '' -- '' at hammer sensor for
these models.
(All three keys pressed within 1 second.)
2) Piano calibration ( Standard ) -- minimum necessary
Press D,M,P as above
MHB23 MKIV/PRO DIOV1.05, SCV.1.01 PAGE.21
Maintenance mode
All connection check
Disklavier piano system - Calibration, sensor check
Database - Error, Song libraries, Operation history
Operational test
Full calibration is recommendable and includes the gray scale
quality check on sensors and strongest blow test on keyboard.
--> See page 32 for more detail of the full calibration menu.
Sensor calibration ( 5 minutes for HS models )
Pedal calibration ( 1 minute for all MkIV and Pro incl. half point adj. )
Keyboard calibration ( 7 minutes )
Half pedal manual adjustment ( Manual adj. when necessary )
Displaying results by sound
Complete correctly - C major sound
Error occured - C minor sound
Quit before completing - C diminish
1.5 sec. damping adj.
[Play] Save data
[Stop] Cancel
[+] Slower damping
[-] Quicker damping
[Back] Auto cancel