Bnc 645 User Manual download pdf (Page 27)

4. See Figure 3-6 and Figure 3-7 as sample displays.

Remote Interface Operation

VOLTage:HIGH {<voltage>|MINimum|MAXimum}

VOLTage:LOW {<voltage>|MINimum|MAXimum}

3.8 To Set Waveform Polarity

The default waveform polarity mode is Normal, in which the waveform

goes positive during the first part of the wave cycle. One may change it

to the Inverted mode where the waveform goes negative during the first

part of the wave cycle. To set the waveform polarity mode, follow the

steps below.

Front-panel Operation

• Press Utility button and then the softkey under Output Setup.

•

Press the softkey under NormInvt to toggle between Normal and

Inverted. Make sure your choice is highlighted.

•

Press the softkey under DONE to finish the selection.

Figure 3-9

Remote Interface Operation

OUTPut: POLarity {NORMal|INVerted}

Notes

• When a non-zero offset is used, the waveform is inverted relative

to the offset voltage, so the offset remains the same in the

inverted waveform.

•

When the waveform is inverted, the Sync signal associated with

the waveform is not inverted.

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Bnc 645 User Manual Page 27