Roland HP 555G, Заметки по обслуживанию

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HP-555G Nov. 1998
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Press the following button twice, and confirm that a sound is heard and that the button LED on the left side of the display changes from
orange to green to dark, and that the button LED goes dark the second time.
[Metronome]
* Press the following buttons, and confirm that a sound is heard and that the characters shown in the LCD ("S" for [Song], "B" for [Beat],
"T" for [Tempo], "+" for [Value+], "-" for [Value-], "D" for [Disk], "R" for [Reset], "S" for [Stop], "B" for [Bwd], "F" for [Fwd] and "C"
for [Clear]) disappear.
[Song] [Beat] [Tempo] [Value+] [Value-] [Disk] [Reset] [Stop] [Bwd] [Fwd] [Clear]
If all buttons are normal, you will automatically advance to item 4.
4. Checking the effect sound and speaker panning etc.
The following display will appear.
Press the following buttons to check the effect sound and the panning etc.
BUTTON PANNING TONE EFFECT INDICATION of LCD
[piano] CENTER PIANO none DRY
[E. piano] CENTER PIANO CHORUS CHORUS
[Harpsi] CENTER PIANO REVERB REVERB
[Vibes] CENTER PIANO RESONANCE RESONANCE
[Organ] LEFT 440Hz sine wave none PAN L
[Strings] RIGHT 440Hz square wave none PAN R
[Choir] CENTER 440Hz sine wave none PAN LR
If you press the [Function] button you will advance to item 5.
5. Pedal and Balance slider operation check
The following display will appear.
At this time, you can move to item 6 by pressing [Function].
Slowly depress each of the three pedals ([Soft Pedal], [Sostenuto], [Damper]) one at a time, and confirm that the value in the LCD changes
from 0--9, and that the metronome sound is heard when the display reaches "9." Then move the Balance Slider from left end to the right end,
and confirm that the sound is heard and that the pitch changes related to the slider. The value in the LCD changes from 0--9, and that the
metronome sound is heard when move the slider from left end to the right end.