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102
Troubleshooting
 
Volume of 
keyboard is too 
low
 
Could the “Balance” setting be set all the way 
toward “Accomp”? (p. 55)
 
The Tone has 
changed
 
When a performance made along with a Music 
Files tune has been recorded, recording the 
performance to button [1/User] may make the 
Tones for buttons [3/Left] and [4/Right] 
change as well.
 
Reverberation 
still audible 
even with 
Reverb turned 
off
 
Since the HPi-6’s piano sounds faithfully 
reproduce the sense of spaciousness and 
reverberation of an actual acoustic piano’s 
sound, a certain amount of reverberation is 
still perceptible, even with the reverb effect 
deactivated.
 
In the upper 
range, the 
sound changes 
abruptly beyond 
a certain key
 
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 HPi-6, the range that is 
unaffected by the damper pedal will change 
depending on the Key Transpose setting.
 
A High-pitched 
whine is 
produced
When listening through headphones:
 
Some of the more flamboyant and effervescent 
piano tones feature an ample high-end 
component, which may make the sound 
appear to have metallic reverberation added. 
Since this reverberation becomes particularly 
audible when supplemented by heavy reverb, 
you may be able to diminish the problem by 
reducing the amount of reverb applied to the 
sound.
 
When listening through speakers:
 
 
Here, a different cause (such as resonance 
produced by the HPi-6) would be suspect. 
Consult your Roland dealer or nearest Roland 
Service Center.
 
The bass range 
sounds odd, or 
there is a 
vibrating 
resonance
When listening through speakers: 
 
Playing at loud volumes may cause 
instruments near the HPi-6 to resonate. 
Resonation can also occur with fluorescent 
light tubes, glass doors, and other objects. In 
particular, this problem occurs more easily 
when the bass component is increased, and 
when the sound is played at higher volumes. 
Use the following measures to suppress such 
resonance. 
• Place speakers so they are 10–15 cm from 
walls and other surfaces. 
• Reduce the volume. 
• Move the speakers away from any 
resonating objects. 
 
When listening through headphones:
 
 
Here, a different cause would be suspect. 
Consult your Roland dealer or nearest Roland 
Service Center.
 
Case
Cause/Remedy
 
Song doesn’t play back correctly
 
Song doesn’t 
play back
 
Does the screen indicate message, like “OK to 
delete Song?” (p. 39) 
The internal songs cannot be played back 
while recorded performance data remains in 
the HPi-6’s memory. Try playing back the song 
after deleting the performance data.
 
Only the sound 
of a particular 
instrument in a 
song does not 
play
 
Is the indicator for the Track button 
extinguished? (p. 54, p. 67, p. 84) 
If the button indicator is out, the music on that 
track is not heard. Press the track button so the 
indicator is illuminated.
Or cancel the mute in the “16-track Sequencer” 
screen.
 
Pressing the 
[
 (Reset)] 
button doesn’t 
return to the 
beginning of the 
song
 
Some music files may contain settings that stop 
playing back at a point partway through the 
song. Press the [
 
 (
 
Reset)] button several 
times more to return to the beginning of the 
tune.
 
The [
 (Fwd)] 
and [
 
(Bwd)] buttons 
don’t work
 
The [
(Bwd)] and [
(Fwd)] buttons are 
ignored while music files is being read in. Wait 
until processing finishes.
If you attempt to play back performance data 
that contains more data than the entire 
capacity of the HPi-6’s memory, you may find 
that operations other than playback (such as 
rewind or fast forward) become unavailable.
 
There is a slight 
delay before 
playback of a 
song on 
external 
memory starts
 
There are two types of SMF music files: format 
0 and format 1. If the song uses SMF format 1 
data, there will be a slight delay until playback 
starts. Refer to the booklet that came with the 
music files you’re using to determine the 
format type.
 
Lyrics are not 
indicated 
properly in the 
display
 
With some music files, the lyrics cannot be 
displayed correctly. 
In the notation screen, some lyrics or notes 
could extend beyond the edges of the screen, 
and not be displayed.
 
Notation is not 
indicated 
properly in the 
display
 
If you select a part that does not contain 
performance data, notes will not be displayed 
in the notation. Change the part that is 
displayed (p. 89).
The notation screen feature is particularly 
unsuitable for the display of difficult, complex 
musical works that demand accurate notation. 
Refer to “Some Notes on the Notation Screen” 
(p. 25).
In the notation screen, some lyrics or notes 
could extend beyond the edges of the screen, 
and not be displayed.
 
Case
Cause/Remedy
HPi-6-e.book 102 ページ 2005年11月15日 火曜日 午後3時49分