Reply to Need Help..How to map Tempo Range

I am Using Nx-Audio CDJ700s ,As i am new to mapping i am not able to map .. single Button as (Tempo Range) Which should act as toggle Button .Here are some setting of My Player when it is not in Midi Mode .

1, Default Tempo -10% LED BLUE, 6% LED RED , 16% LED GREEN,100% ALL 3 LED are on Single Toggle Button.,

2,Assigning 3 different Fx- Button Not Knob , Echo, Flange, Filter Etc

3, Mapping Single Button as Reverse.(As there is no reverse option in the list)

4,How to Use Modifier.

Sir How to Map these Buttons ,Need assistance in Mapping ...Help Me

(It will great help if Anybody can post me Video link)

Thanks ... To all Genius