HP 8642A Operation And Calibration Manual page 170

Operation
Model 8642A/B
Modulation Oscillator (cont'd)
Related
Operating
Instructions
Refer to
Modulation, AM
(page 3-97);
Modulation, FM
(page 3-105);
Modulation,
~M
(page 3 -119), or
Modulation, Pulse
(page 3-127) for specific modulation information as
well as internal and external source information.
Refer to Knob (page 3-141) and Step, Increment Set (page 3-149) for information on
using these to modify settings.
Refer to Operating Messages (page 3-177) if the instrument displays a message you want
clarified.
Refer to Special Functions (page 3-165) for information about the way these are
accessed.