B&K Precision 2542B-GEN - Manual - Manual (Page 209)

Quick Start Guide
209
 Press Mod Shape softkey and select Sine as the
modulating waveform shape.
 Press Mod Freq softkey to select and specify the
modulating waveform frequency to 100 Hz.
 Press AM Depth softkey to select and specify the
modulation depth to 100%.
 Press Offset softkey to select and specify the offset
voltage to 0.0 mVdc