5.Panel Operation
Mod
Type
Load
Parameter 1
Parameter 2
Parameter 3
Modulating wave
Carrier wave
Figure 5-18: PWM user interface
How to set the parameters of PWM
(1) Set carrier wave shape:
PWM can only be used to modulate pulse, so the carrier wave must be
Pulse.
Press to set the carrier wave shape.
(2) Press the Mode function key, press the NextPage softkey,then press the
PWM softkey to enter PWM user interface.
Note: If Pulse wave has not been selected, PWM in the menu is
unavailable.
(3) Set carrier wave parameters:
Press to display the waveform and parameters of the carrier wave.
You can change the parameters of the carrier wave. Press the
corresponding carrier waveform key to return to the modulation mode
interface or press the Mode key to return to the modulation selection
mode.
(4) Select modulating wave source:
Press the Source softkey to select the modulating wave source.
If you select External, use the Sync/Ext Mod/Trig/FSK connector at the
rear panel to input the external modulating signal, then skip ahead to step
(7).
If you select Internal, continue with the following steps.
(5) Select modulating wave shape:
Press the Shape softkey, then press the Sine, Square, Ramp or Noise
softkey to select the modulating wave.
(6) Set modulating wave frequency:
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