Command StartAcquisition :

Start acquiring spectra. Depending on the set integration time
it may take a while until you see valid data in attribute Spectrum.

StartAcquisition Definition
Input Argument	Tango::DEV_VOID
Output Argument	Tango::DEV_VOID
DisplayLevel	OPERATOR	..
Inherited	false	..
Abstract	false	..
Polling Period	Not polled	..
Command NOT allowed for	FAULT MOVING	..