User manual
    OPERATION 
51 
Selecting FM Modulation 
Panel Operation 
1.  Press the FM key. 
FM
2.  The modulation, sweep and counter menu 
display will appear. The FM icon indicates 
that the FM function is active.  
Example: 
FM activated 
Note 
FM modulation can be deactivated by pressing the FM 
key again. 
FM Carrier Waveform 
Background 
The FUNC key selects the FM carrier waveform. 
Sine, square or ramp waveforms can be used as the 
carrier. The default waveform is set to sine. Noise 
is not available as a carrier shape. Before the 
carrier shape can be selected, ensure FM is active, 
page 51.  
Selecting the 
Carrier Shape 
1.  Press the FUNC key 
repeatedly to select a 
carrier waveform (Sine, 
Square, Ramp). 
FUNC
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