Camera view (from model), or bottom view (from camera)

Front view

Back view

Right view

Left view

Top view

Bottom view

Shrink selection

(when bone select is disabled) Enable bone select

(in 3D space or FMP) Switch from camera to the model

(in grey lower area of interface) Switch from model to the camera

Scroll backwards through models, tabs

Move

Zoom smooth

Expand selection

Go to previous/next registered keyframe

Full-screen toggle

Full-screen mode

Turn On/Off effects (MME)

Insert bone/camera frame

Move

Rotate

Zoom stepped

Go to the first frame

Copy selected frames

Paste frames

Erase highlighted diamond, or group of diamonds.

Paste keyframe values to a different bone (movement, rotation values)

Set bone rotation and movement / Multiply of bone frame position-angle (first select keyframes, to be multiplied)

Delete bone/camera frame

Insert facial/light frame

Delete facial/light frame

Go to previous/next frame

Self shadow shadow map

Interpolation curve automatic setting ON/OFF

Change background color black/white

Make models transparent

Hide all pmx models, but not shadows

Scroll through models, tabs

Play/Stop

Undo

Redo

Save

Select all bones

Select unregistered bones

Register selected bones/camera

Register all facials (also discards unregistered bone movements)

Previous/next bone

Move bone (view dependent)

Rotate bone (view dependent)

Hide/show bones (when manipulating with right-bottom corner widget)

Toggle coordinate space

Set bone rotation and movement / Multiply of bone frame position-angle

Set root bone offset (motherbone/center&IKlegs) (if not working, try to register root bone)