Messages, Troubleshooting, and Diagnostics
Diagnostics
102
Breath Controller Test
Plug a breath controller (Yamaha or equivalent) into the Breath
jack. The display should change to this:
BREATH CONTROL
PLUG INSERTED
Blow into the breath controller, and the display should change to
this:
BREATH = xxx
Bàààààààààààà
The xxx Þeld is a number from 0 to 255, which shows breath
pressure from 0 (little or no pressure) to 255 (maximum pressure).
The bottom line shows a ÒBÓ for breath controller, then a bar that
shows the breath pressure. When the control is properly adjusted,
xxx should be zero, and the bar should disappear when breath
pressure returns to zero. The number and bar should also
respond to low breath pressure.
If you unplug the breath controller, the display should show this:
BREATH CONTROL
PLUG REMOVED
Ribbon Test
If possible, place the Ribbon so that as you face it, its cable comes
out of the right end. Touching the Ribbon anywhere should
produce a display like this:
R Lxxx Cxxx Rxxx
Ràààààààààààààà
On both lines, the leftmost ÒRÓ stands for Ribbon. The top line
represents the RibbonÕs three-section mode. You can
simultaneously touch any combination of sections, and the top
line should show the correct values, as described below:
• Lxxx appears when you touch the left section (the section
furthest from the RibbonÕs cable); xxx varies from 0 for the
extreme left to 255 for the 1/3 point (the right end of the left
section).
• Cxxx appears when you touch the center section; xxx varies
from 255 at the 1/3 point down to zero at the 2/3 point (the
right end of the center section).
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