Key Reference
E
Chapter 5 141
Ext Polarity Normal Inverted
Supported PSG-A Series
This softkey toggles the external pulse polarity between normal and inverted.
Preset Normal
Choices Normal or Inverted
Location Page 242
Remarks N/A
Ext Pulse
Supported PSG-A Series
This softkey enables you to activate the pulse modulation mode with an external pulse
source.
Preset N/A
Range N/A
Location Page 242
Remarks N/A
Ext1
Supported PSG-A Series
Use this softkey to select an externally applied signal for the modulation waveform once
you have connected the signal source to the EXT 1 INPUT connector.
Preset N/A
Range N/A
Location Page 230, Page 235, Page 237
Remarks The externally applied, ac-coupled input signal is tested for a voltage
level and a display annunciator will report a high or low condition if
that voltage is > ±3% of 1 V
p
.
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