IF and demodulated AF output are both available on the rear panel
FM Measurement: Deviation Ranges: 1.5, 3, 5, 10, 15, 30, 50 and 100 kHz deviation full scale. Measurements of positive and negative deviations can be made. (Also mean deviations on Model 9008)
Modulation Frequency Range: 50 Hz to 30 kHz
Modulation Depth Ranges: 5, 10, 15, 30, 50 and 100% full scale modulation depth. Measurements of peak, trough, (or mean on 9008) AM may be measured.