Roland MP-500 用户手册

 

If you are encountering problems with the unit, please read the section below before assuming that there is a 
malfunction.

 

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Is the [Volume] knob set to the minimum position? 
(p. 11)

 

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Is the temperament or the Tuning Curve setting correct? 
(p. 28, p. 29)

 

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Are the pedals connected properly? 
Make sure the pedal cord is securely connected to the 
pedal jack on the back of the unit.

 

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Is the [Demo Song/Key Touch] button’s indicator lit?
Press the [Demo Song/Key Touch] button; the button’s 
indicator goes out (p. 13).

 

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The metronome sound or count sound is not recorded.

 

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The performance data that you recorded will disappear 
when the power of the MP-500 is turned off (p. 22).

 

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If you record again after recording, the first-recorded 
performance will be erased (p. 22).

 

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Is the [Volume] knob set to the maximum position? (p. 11)

 

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If you can’t hear the problem in the headphones:
When playing at high volumes, resonance may occur in 
the piano itself or in objects near the piano. At times, 
other objects in the room, such as fluorescent lights or 
glass doors, could start vibrating. Such phenomenon 
becomes more prevalent when sounding the lower 
frequencies at high volume. To minimize such unwanted 
resonance, please observe the following:

- Locate the instrument so it is 10–15 cm away from 

walls.

- Reduce the volume.
- Increase the distance from the object that is 

resonating.

 

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If you can hear the problem in the headphones:
The problem may be for a different reason. Please 
contact your dealer.

 

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On an acoustic piano, notes in the upper one and a half 
octaves of the keyboard continue to sound until they 
decay naturally, regardless of the damper pedal. There is 
a difference in the timbre as well. Roland pianos 
faithfully simulate such characteristics of the acoustic 
piano. On the MP-500, the range that is unaffected by the 
damper pedal will change depending on the Key 
Transpose setting.

 

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Is the power to all equipment turned on?

 

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Are the connections between MP-500 and the MIDI 
sequencer or the other external devices correct? (p. 31)

 

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With the sequencer’s “Thru” function on, the same notes 
may be sounded twice. Set the MP-500 to Local off
 (p. 32).

 

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Could you be using a connection cable that contains a 
resistor?
Use a connection cable that does not contain a resistor.

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