Wavetek FG3B - AM;FM Modulation Operation

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E. If needed, ad just the DUTY and OFFSET knobs to change the duty cycle or add a DC
offset voltage to the waveform.
F. For a log-type sweep, pull the
SWEEP TIME control. Leav_e it pushed in for linear mode
sweep cycles.
G. Pull the FREQUENCY knob for the sweep mode
of operation.
H. Turn the
SWEEP TIME control full y counterclockwise for the slowest sweep rate.
I. Adjust the SWEEP WIDTH control so that the instrument sweeps through the desired
frequencies.
NOTE: The sweep cannot be stopped; SWEEP WIDTH must be adjusted during the sweep.
J. Then adjust the SWEEP TIME control for the ôesired sweep rate.
5.7
AM/FM Modulation Operation
A. Push the desired FUNCTION button for square, triangle, or sine wave output.
B. Push the desired Range button
(lM, lOOk , lük , lk, 100, 10, 1) for the desired frequency.
C. Rotate the FREQUENCY knob until the desired frequency appears in the Frequency
Display window.
D. Adjust the AMPL knob for the desired amplitude at the
OUTPUT jack.