|For VPP to be available it has to be assigned to a channel in the Function Menu. On a new model (or after a data reset) it is assigned by default to Channel 6. If this occurred on an existing model it would overwrite anything you had allocated to that channel and destroy any related mixes. If you want to use VPP with an existing model just go to the function menu and allocate VPP to any free channel as you would any other function.
To remove VPP from the screen go to the Function Menu and change VPP on channel 6 to a different function such as AUX1. However, if you do this you will also lose the ability to program three different throttle curve conditions.