DJM-V10-LF Issue with Fx when using Multi I/O usb input for iphone

When Iphone connected to Multi I/O USB input of V10-LF and used as a digital source of music, think of venue music request source, AND mode USB switched to "insert" the following Beat FX DO NOT work: HELIX, ROLL, VBRAKE WHY do all other Beat effects work, except these 3 effects listed above?? Using mixer standalone, with out laptop computer! ver 1.11