
Motion Control
Selection Mode (Zoom/Sel button flashing)
In this mode the cursor buttons provide a way  to create and edit selections within the DAW program.
To create a selection, press and hold either the left or right cursor  button and move the inner shuttle wheel to
adjust the start or end point for the selection. The  up and down cursor buttons will move the selection to  the next
track. Holding SHIFT and using the up/down buttons will allow  the selection to be extended across multiple
tracks.
Holding the left and right cursor buttons simultaneously, while scrubbing, retains the selection  duration while
moving the selection start point.
Pressing OPTION + Up/Down cursor button removes the upper or lowermost  track from the selection.
Please note that HUI Selection Mode is no longer  supported in Pro Tools HD software version 7.2 and above
Scrolling Within a Window
To page scroll one page in either direction within a currently selected window  (ie. Mix/Mixer or Edit/Arrange),
press the ALT +Left/Right/Up/Down cursor button. 
Holding down OPTION and ALT scrolls to the window boundary.
Shuttle/Scrub Wheel (17)
A dual-concentric Shuttle/Scrub wheel is provided. It has a spring-loaded outer  ring and a continuously variable
inner wheel for DAW scrub and shuttle functions. The wheel can  also be used to make and adjust selections on
the DAW.
Shuttle Mode
With the DAW stopped, turn the wheel to activate shuttle mode.  The outer rim will step through seven fixed
shuttle speeds, while the inner controller is continuously variable.
To use the inner wheel as a shuttle control, press the SHUTTLE button above  the wheel. The inner wheel now
becomes a continuously variable shuttle control.
Scrub Mode
Select a region to scrub within the DAW. Press the SCRUB button above the  wheel. The inner wheel now
becomes an analogue tape machine style scrub wheel.
Using the Numeric Keypad to shuttle
Depending upon the configuration of your DAW system, the numeric keypad  can be used to control shuttle
speed and direction. Hold down the CTRL button followed by  a number on the numeric keypad that represents
the shuttle speed. The +/- buttons control the direction of  shuttle.
To exit from shuttle mode press either the STOP or ESC button.
Duality Operator’s Manual 3-15