1.because motion capture is more natural and more detail movement than hand keyframe and it save sometime when doing more complex movement.

2.
1.place feet pad.
2.put the head part above eyebrow.
3.wear upper part of suit tie the string, make sure tie well. ask actor to bend the elbow to measure the position to tie the strings for arms.
4.wear lower part of suit ,the actor also needs to bend the knee to measure the position, tie the strings of legs and feet.
5.connect the titanium of head and lower part on the back.
6.adjust potentiometer, 2 fingers wide from the actor's body.
7.connect all the wires and cables.
8.turn on computer.
9.turn on X-ist box.
10.turn on gyro.
11.open VuppetMaster.
12.Do body fingure foot test.
13.Do initialize.
14.Dirctor tell the actor what movement she/he should do.
15.Record the movement save as xrc file.
16.Use 3DS max 4 convert xrc to csm file and save as bip file.

3.Good experience
1.to see actor's movement on charactor immediatly
2.save a lot of time
3.the motion is smooth.
bad experience
1.wearing the suit is heavy, and a lot of steps need to do.
2.some pose for example touches head, can't not perform.

4.1.without the suit how the capture will perform.
2.more detail or accure motion capture.
3.more easy to use.