5-8
Troubleshooting
Scanner Diagnostics
Small Ribbon
To test the small ribbon, move your finger up and down the ribbon. This test includes the
position and pressure of the small ribbon. An example of the expected test result follows:
At center, full pressure: SHORT POS. = 128 PRESS. = 255
Large Ribbon
To test the large ribbon, move your finger up and down the ribbon. The large ribbon is divided
into three sections. Blue arrows positioned above the large ribbon indicate the divisions.
Starting at the lowest point (bass end of the keyboard), the range of section one is zero to 255,
255 to zero for section two, and zero to 255 for section three.
An example of the normal test results for section one follows (individual results can vary
slightly):
At bottom: LONG SEC. 1 = 0
At center: LONG SEC. 1 = 128
At top (section one and two division): LONG SEC. 1 = 255 2 = 0
Keyboard
To test the keyboard, press any key. The key name and number will be displayed twice in the
LCD. The first name and number set is the test result for the front key contact switch and the
second is for the rear switch. An example of the expected test result for the Middle C key
follows:
KEY C4 60 C4 60
Pressing harder causes the display to change and show the pressure value. An example follows:
PRESSURE = 255
Switch Pedals 1, 2, 3, and 4
To test the switch pedals, insert a pedal into one of the four jacks and press the pedal. An
example of the expected test result for the Pedal 2 follows:
Full depression: PEDAL 2
CC Pedals 1 and 2
To test the continuous control pedal, press the pedal. An example of the expected test result for
CC Pedal 1 follows:
No depression: CTRL PEDAL 1 = 255
Full depression: CTRL PEDAL 1 = 0
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