Bedienungsanleitung Yamaha PSR-EW400 (Seite 70 von 80) (Englisch)

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PSR-E453/PSR-EW400 Owner’s Manual

Appendix

Troubleshooting

Refer to the “Message List” on page 69 as required.

Problem Possible Cause and Solution

When the instrument is turned on or off, a popping

sound is temporarily produced.

This is normal and indicates that the instrument is receiving electrical

power.

When the instrument is turned on, power is turned off

suddenly and unexpectedly.

This is normal. If an AC adaptor other than the one specified is used,

power may be turned off suddenly and unexpectedly.

When using a mobile phone, noise is produced

Using a mobile phone in close proximity to the instrument may pro-

duce interference. To prevent this, turn off the mobile phone or use it

further away from the instrument

The instrument is automatically turned off even if no

operation is done.

This is normal. This occurs due to the Auto Power Off function (page

16).

• The volume is too soft.

• The sound quality is poor.

• The Style/Pattern/Song/Arpeggio stops unexpectedly

or will not play.

• The recorded data of the song, etc. does not play cor-

rectly.

• The LCD display suddenly goes dark, and all panel

settings are reset.

• The instrument turns off when a USB flash drive is

connected.

The batteries are low or dead. Replace all six batteries with completely

new ones or completely recharged ones, or use the AC adaptor.

No sound is produced even when the keyboard is

played, or a Song, Style, or Pattern is being played

back.

Check whether a set of headphones or an audio cable is connected to

the [PHONES/OUTPUT], or not. When such a connection is made, no

sound is output from the speaker of this instrument.

(PSR-EW400) Check the on/off status of the Speaker Mute setting

(page 38). Make sure to set to OFF.

Check the on/off status of the Local Control (page 61). Normally, set

this parameter to ON.

The footswitch (for sustain) seems to produce the

opposite effect. For example, pressing the footswitch

cuts off the sound and releasing it sustains the sounds.

The polarity of the footswitch is reversed. Make sure that the foot-

switch plug is properly connected to the SUSTAIN jack before turning

on the power.

No sound is produced even when playing keys in the

right hand area of the keyboard, although chords

played in the left hand area are recognized.

Check whether or not the Dictionary function (page 55) is used. When

used, this is normal.

Not all of the Voices seem to sound, or the sound

seems to be cut off, when playing the keyboard,

Arpeggio, Style or Pattern or Song.

You have exceeded 48 simultaneous notes, which is the maximum

polyphony (the maximum amount of notes that can be played simulta-

neously) of this instrument. If the Main, Dual, and Split Voices are

being used along with playback of Arpeggio, Style, Pattern or Song,

some notes/sounds may be omitted (or “stolen”).

The sound of the Voice changes from note to note.

This is normal. The tone generation method uses multiple recordings

(samples) of an instrument across the range of the keyboard; thus, the

actual sound of the Voice may be slightly different from note to note.

The keyboard performance and playback of Style/Pat-

tern/Song produces an unexpected or inappropriate

sound, and cannot be restored to the normal status.

Using the Knobs can produce dramatic changes in the sound, but may

also produce unexpected or undesired sounds. If you want to restore the

original, normal sound before being changed by the Knobs, press the

[DSP] button to turn DSP off, change the Voice, Style, Pattern or Song,

or press the [PORTABLE GRAND] button to reset the panel settings.

The Style, Pattern or Song does not start even when

the [START/STOP] button is pressed. The Arpeggio

does not start even when the note is pressed with the

Arpeggio turned on.

Check the on/off status of the External Clock (page 61). Normally, set

this parameter to OFF.

The volume of the Style, Pattern or Song is too low. Check the volume setting in the Functions (pages 53 and 57).

The chords played in the left hand area cannot be rec-

ognized even when ACMP is turned on.

Check the Split Point setting (page 53). Set this to an appropriate

value.

Style parts other than the Rhythm part produce no

sound.

Check the on/off status of the ACMP (page 26). Make sure to turn

ACMP on.

The ACMP indicator does not appear on the display

when the [ACMP ON/OFF] button is pressed.

Check the on/off status of the [STYLE] lamp. When using a Style,

press the [STYLE] button to turn on the [STYLE] lamp.

Appendix

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