Application Options Key Sequence: Shift > System (8) key > Application Options SPA Application Options Impedance 50 Ohm 75 Ohm Other Select either 50 ohm, 75 ohm, or Other impedance value. Selecting 75 ohm selects the 7.5 dB loss of the Anritsu 12N50-75B adapter. For other adapters, select Other and enter the appropriate loss. Back Press this submenu key to return to the previous menu.
