77Figure 54: switching the Optimization on/off in the Main user interface7.6 VIEWING THE ACOUSTICAL GRAPHSThe SDP-75 is a complete and flexible tool for displaying the responses of the speakers before and after the Trinnovoptimization, as well as the correction filters.The acoustical graphs are available in the Optimizer Graphs page of the Advanced user interface. It is possible to displaythe acoustic responses of multiple speakers and analyze the information from various points of view: amplitude, phase,group delay, impulse response…Figure 55: the acoustical graphs page