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Troubleshooting
Overall
A click or pop is heard when the power is
turned on or off.
The power is automatically turned off.
Noise is heard from the instrument's
speakers.
Noise is heard from the instrument's
speakers or headphones when using the
instrument with the app on the smart device
such as smartphone or tablet.
In the LCD, there are some specific points
that are always lit or unlit.
Mechanical noise is heard during
performance.
There is a slight difference in sound quality
among different notes played on the
keyboard.
Some Voices have a looping sound.
Some noise or vibrato is noticeable at higher
pitches, depending upon the Voice.
The overall volume is too low or no sound is
heard.
The sound is distorted or noisy.
Not all simultaneously played notes sound, or
the sound of Style or Song seems to be cut
off.
The keyboard volume is lower than the Song/
Style playback volume.
Some characters of the file/folder name are
garbled.
Electrical current is being applied to the instrument. This is normal.
This is normal and due to the Auto Power Off function. If necessary, set the
parameter of the Auto Power Off function (page 19).
Noise may be heard if a mobile phone is used near the instrument or if the
phone is ringing. Turn off the mobile phone, or use it further away from the
instrument.
When you use the instrument along with the app on your smart device, we
recommend that you set Wi-Fi or Bluetooth to on after enabling "Airplane
Mode" on that device in order to avoid noise caused by communication.
These are the result of defective pixels and occasionally occur in TFT-
LCDs; they do not indicate a problem in operation.
The keyboard mechanism of this instrument simulates the keyboard
mechanism of an actual piano. Mechanical noise is also heard on a piano.
This is normal and is a result of the instrument's sampling system.
The master volume may be set too low. Set it to an appropriate level with
the [MASTER VOLUME] dial (page 20).
All keyboard parts are set to off. On the Home display, touch [Main]/
[Layer]/[Left] to turn on the part (page 49).
The volume of the individual parts may be set too low. Raise the volume in
the Balance display (page 42).
Make sure the desired channel is set to on (page 97).
Make sure a pair of headphones or an adapter plug is not connected to
the [PHONES] jack.
Make sure that the "Speaker" is set to "On" from [Menu] [Utility]
[Speaker/Connectivity].
The volume may be turned up too high. Make sure all relevant volume
settings are appropriate.
This may be caused by certain effects or filter resonance settings. Check
the effect or filter settings and change them accordingly in the Mixer
display, referring to the Reference Manual on the website (page 9).
You are probably exceeding the maximum polyphony (page 127) of the
instrument. When the maximum polyphony is exceeded, the earliest
played notes will stop sounding, letting the latest played notes sound.
The volume of the keyboard parts may be set too low. Raise the keyboard
volume (Main/Layer/Left), or lower the Song/Style volume in the Balance
display (page 42).
The language settings have been changed. Set the appropriate language
for the file/folder name (page 22).
CVP-809/CVP-805 Owner's Manual
123
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