Hi my friend...
So...
When you have your sampler that you want to create please folow this steps:

1) PRESS THE (WAV) BUTTON AND PRESS (EDIT)

2) SELECT A WAV FILE AND PRESS ENTER (your samples your it will be supposed, they have name with the keys tone (for example C_3, D_3, E_3.....etc)

3) WITH KEY (F1_START) sets the start of note range on the keyboards

4) (F2_END) sets the end of the note range

5) (F3_KEY) sets the basic pitch (original tune of note)

6) (F4_PITCH) it can de TRACKING, that is tuning, for each dutton of the keyboards, or FIXED that is with fixed pitch for any keys of the keyboards (for example a Drums sample)...

7) (F8_END_POINT) sets where the sounds ends.

8) (F9-START POINT) sets where sounds loops (looping)

When finisch press SAVE give a name and it will be saved in MSP folder.
For more information please look the manual in 115 page..