Bnc 645 User Manual download pdf (Page 101)

101

The waveform generator has adjusted the pulse width to a greater

minimum determined by the current period.

-221 Settings conflict; edge time decreased due to pulse width

The waveform generator adjusts first the edge time then the pulse

width or duty cycle, then period if needed to accommodate the

following the limitation: EdgeTime ≤ 0.625 x PulseWidth. In this case,

the edge time is decreased by the waveform generator to

accommodate the specified pulse width.

-221 Settings conflict; edge time decreased due to pulse duty

cycle

The waveform generator adjusts first the edge time then the pulse

width or duty cycle, the period if needed to accommodate the

following the limitation: EdgeTime ≤ 0.625 x Period x DutyCycle. In

this case, the edge time is decreased by the waveform generator to

accommodate the pulse duty cycle.

-221 Settings conflict; amplitude changed due to function

When the new function chosen has a smaller maximum amplitude,

the waveform generator will automatically adjust the amplitude from

the old value to the new smaller maximum value. This may occur

when the output units are Vrms or dBm due to the differences in crest

factor for the various output functions.

-221 Settings conflict; offset changed on exit from dc function

In the dc voltage function, the voltage level is controlled by adjusting

the offset voltage (the current amplitude is ignored). When you select

a different function, the waveform generator will adjust the offset

voltage as needed to be compatible with the current amplitude

setting.

-221 Settings conflict; FM deviation cannot exceed carrier

The frequency deviation cannot exceed the carrier frequency, or the

waveform generator will adjust the deviation to a maximum allowed

value.

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Bnc 645 User Manual Page 101