I-36
H Sensor: 1-beam 4-points (DGPS)
Hammer Emission Sheet
Hammer Sensor Sheet
K Sensor: 1-beam Continuous Analog
Key Sensor Sheet: CPU
Sensing Data
Data from the key and hammer sensors is translated into performance data as indicated below.
Keyboard Playing Data
Keyboard playing data is detected by the hammer and Key Sensors. The most basic detection method is as
follows.
Although the above is the basic method, in fact a number of different programs are provided to allow for var-
ious types of complex performance. The programs generate playing data by intelligently interpreting the
information received from the various sensors. On models that don’t include a hammer sensor, all play infor-
mation is supplied by the Key Sensor.
DC3III-
KEY Number H1 or Key ON
Volume H1-H2 Velocity
Note ON Timing H2 ON
Note OFF Timing Key Sensor OFF
Sheet
Hammer Emission
(Hammer Receive)
Hammer Sensor Sheet
HAMMER SENSOR
Sheet
Key Emission
KEY SENSOR
PK-CTL
MN
Key Sensor Sheet
CPU (Flash)
(Key Emission & Key Receive)
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