Command ReadFiFo :

returns the contents of the FiFo, max: 131072 (TTTREADMAX)

ReadFiFo Definition
Input Argument	Tango::DEV_VOID
Output Argument	Tango::DEVVAR_LONGARRAY
DisplayLevel	OPERATOR	..
Inherited	false	..
Abstract	false	..
Polling Period	Not polled	..
Command allowed for	All states	..