1. Quick Zoom
   1. Ctrl + L-Button Drag Rectangle (on Original Image) : Dynamic Zoom
   2. Ctrl + L-Button Drag : Panning Zoom-In Image
   3. Ctrl + M-Button Down : Reset (Original Image)
   4. Ctrl + Wheel Scroll : Zoom-In / Out (Step)

2.  Quick Dewarp
   1. Ctrl + L-Button Drag Rectangle (on Original Image) : Dynamic PT(Fov.)
   2. Ctrl + M-Button Down : Reset (Original Image)
   3. Ctrl + Wheel Scroll : Fov-In / Out (Step)
   4. Ctrl + R-Button Drag (Up<->Down) : Fov-In / Out

3.  Quick PTZ (IDIS Camera Rubber Band)
   1. Ctrl + L-Button Drag : Rubber Band
   2. Ctrl + R-Button Drag : Zoom-In / Out
   3. Ctrl + Wheel Scroll : Zoom-In / Out (Step)
   4. Ctrl + Shift + Click : Sling Shot

Quick Control is available in v4.2.0 or higher version.