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Velocity
Velocity changes the signal voltage output to the prosthesis to increase or
decrease the speed of the hand, wrist, or elbow. This option has no effect on
the virtual arm.
Proportional
The Proportional button turns proportional control on or off. Proportional
control allows the user to change the velocity of any given movement while
he/she controls it, by changing the force of the muscle contractions. This
means, that if for example the patient mimics closing his/her phantom hand
more forcefully, the prosthetic hand will close faster and vice versa. The
proportional control functionality is off by default. It is white when off and
red when on.
Note: The Advanced Movement Settings window will not open if any options
are left uncalibrated on the Setup page.
Advanced Calibration Settings (Practitioner Only)
The available settings modify the calibration process itself.
Cue Length
Changing cue length will change the amount of time that each movement
cue is displayed for during calibration. Decrease this value to prevent fatigue.
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Cue Delay
Increasing cue delay will add more time between each movement cue.
Increase this value if you wish to have more time before each cue is presented
to rest and prepare for the next movement.
Repetitions per Cue
Changing the number of cue repetitions will increase or decrease the number
of times you see each movement cue during calibration.
Restore Defaults
By default, the Cue Length is set to 5 seconds, the Cue Delay is set to 1
second, and the Repetitions per Cue is set to 3 reps.
Test (Practitioner Only)
The Test window provides a way to test each available movement in the
prosthesis, without the need for calibration. By clicking the button associated
with a movement, it will activate the selected movement for 4 seconds while
preventing other buttons from being pressed.
WARNING: Avoid contact with the prosthesis components while
in Test mode.
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