NewTek TriCaster 855 - Manual (Page 171)

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Position panel settings are organized into two groups named Crop Edges and Position. The
current settings can be toggled on/off using the Enable switch at upper left or Reset (for either
group) with a single click.
The Crop Edges controls are similar to
Crop settings in TriCaster’s Input
Configuration panel. However these local
DSK settings are independent, and apply
even when the Crop in Input Configuration
is not enabled.
The rest of the panel is devoted to
Position settings. At the top are three
buttons: Position, Rotation, and Scale,
viewed from left to right.
Click and drag on the Position button (a
double-headed arrow) to relocate the
associated
DSK layer vertically or
horizontally within the frame.
Notice that by dragging left or right on
either of the two numeric controls below,
you can adjust the position on a single
axis.
You can also constrain mouse actions to
one axis by holding down the Ctrl key
before dragging.
In similar fashion, drag the pointer over the Rotation button with the left mouse button
depressed to turn the overlay source in 3D space, as follows:

Drag left/right to rotate the source about the Y (vertical) axis.

Drag up/down to rotate the source about the X (horizontal) axis.
Figure 153