RGBlink FLEX RS1 Quick Start Manual page 22

There are two ways can change the size and location of the layer:
b. Drag the layer by mouse: click the right window, select any layer, press the rim
of the layer with mouse to drag the size, release the mouse, click the layer again,
and press the mouse to drag the layer to suitable position.
b. Choose number directly: click the left or right window, select any layer and
choose any number as X, Y, W, H to ensure accurate position and size.
Click the Sync to viewfinder shortcut to synchronise display layer with
viewfinder.
Click the Sync to viewfinder shortcut to synchronise finder frame with
display layer.
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