Measure Menu Key Sequence: Shift > Measure (4) key SPA Measure Menu Power and Bandwidth Opens the Power and BW Menu. Masks and C/I Opens the Masks and C/I Menu. AM/FM Demod Opens the AM/FM Demod 1/2 Menu. Generator Opens the Generator Menu. This submenu key and the Generator menu are available only in spectrum analyzers with a Tracking Generator option. IQ Waveform Capture This submenu key is displayed only when Option 24 in installed. Opens the IQ Waveform Capture Menu (Option 24). Coverage Mapping Opens the Coverage Mapping Menu (Option 431). All Measurement Off Turns off any active measurements. Power and BW Menu Key Sequence: Shift > Measure (4) key > Power and Bandwidth Power and BW Menu Field Strength : Opens the Field Strength Menu. OCC BW : Opens the OCC BW Menu. Channel Power : Opens the Channel Power Menu. ACPR : Opens the ACPR Menu. Back : Returns to the Measure Menu.