Opacity tween

`Shift` + `O`

All hotkeys for Tupi (Windows)

General Shortcuts Start New project	`Ctrl` + `N`
General Shortcuts Open existing project	`Ctrl` + `O`
General Shortcuts Save current project	`Ctrl` + `S`
General Shortcuts Close current project	`Ctrl` + `W`
General Shortcuts Open Preferences dialog	`Ctrl` + `P`
General Shortcuts Import Gimp palette	`Shift` + `G`
General Shortcuts Go to Animation module	`Ctrl` + `1`
General Shortcuts Go to Player module	`Ctrl` + `2`
General Shortcuts Go to News module	`Ctrl` + `3`
General Shortcuts Insert Image	`Alt` + `B`
General Shortcuts Insert SVG File	`Alt` + `S`
General Shortcuts Insert Bitmap sequence	`Alt` + `Shift` + `B`
General Shortcuts Insert SVG sequence	`Alt` + `Shift` + `S`
General Shortcuts Show Tip of the day	`Ctrl` + `T`
General Shortcuts Show “About” dialog	`Ctrl` + `K`
General Shortcuts Exit Tupi	`Ctrl` + `Q`
General Shortcuts Switch between Animation Module and Player Module	`Enter`
Animation Module Open/Close Color Palette	`Shift` + `P`
Animation Module Open/Close Brush properties	`Shift` + `B`
Animation Module Open/Close Object Library	`Shift` + `L`
Animation Module Open/Close Timeline	`Shift` + `T`
Animation Module Open/Close Table of Exposure	`Shift` + `E`
Animation Module Change brush size	`Shift` + `Left Click`
Animation Module Open/Close help manual	`F1`
Animation Module Pencil	`P`
Animation Module Rectangle	`R`
Animation Module Ellipse	`C`
Animation Module Line	`L`
Animation Module Polyline	`S`
Animation Module Position tween	`Shift` + `W`
Animation Module Rotation tween	`Shift` + `R`
Animation Module Scale tween	`Shift` + `S`
Animation Module Shear tween	`Shift` + `H`
Animation Module Opacity tween	`Shift` + `O`
Animation Module Node selection	`N`
Animation Module Object selection	`O`
Animation Module Internal color fill	`I`
Animation Module Contour color fill	`B`
Animation Module Undo	`Ctrl` + `Z`
Animation Module Repeat	`Ctrl` + `Y`
Animation Module Copy object	`Ctrl` + `C`
Animation Module Paste object	`Ctrl` + `V`
Animation Module Cut object	`Ctrl` + `X`
Animation Module Delete object	`Del`
Animation Module Onion Skin	`U`
Animation Module Show/Hide Grid	`G`
Animation Module Show/Hide full-screen mode	`F11`
Animation Module Rotate workspace	`Ctrl` + `Alt`
Animation Module Go to previous frame	`Page Up`
Animation Module Go to next frame	`Page Down`
Animation Module Extend current frame	`Ctrl` + `Page Down`
Animation Module Delete current frame	`Ctrl` + `Page Up`
Exposure table Add new layer	`F5`
Exposure table Delete layer	`F6`
Exposure table Add new frame	`9`
Exposure table Move frame backward	`F8`
Exposure table Move frame forward	`F9`
Player Module Play/Stop animation	`Spacebar`
Player Module Play frame by frame backward	`Left Arrow`
Player Module Play frame by frame forward	`Right Arrow`