frequency to the stop frequency and then returns back to the start
frequency. Press the StartFreq/CtrFreq softkey to hightlight StartFreq,
note that StopFreq in StopFreq/FreqSpan is also highlighted, input the
desired frequencies.
You can also set the frequency boundaries of frequency sweep through
center frequency and frequency span.
Center Frequency = (Start Frequency + Stop Frequency) / 2
Frequency Span = Stop Frequency – Start Frequency
Press the StartFreq/CtrFreq softkey to hightlight CtrFreq, note that
FreqSpan in StopFreq/FreqSpan is also highlighted, input the desired
frequencies.
For different instrument models and different waveforms, the setting
ranges of frequency are different. For detailed information, please refer to
Sweep characteristics in Specification on page 55.
(6) Press the source softkey to select the trigger source.
Internal means using the internal trigger source.
External means using the Mod/FSK/Trig connector at the rear panel to
input the external trigger signal. A sweep will be generated once the
connector gets a TTL pulse with specified polarity. To set the TTL pulse
polarity, press the Slope softkey to switch between Positive and
Negative.
Manual means using manual trigger. In sweep interface, each time you
press the knob under the current channel on the front panel, a sweep will
be generated.
Generate Burst (Burst)
Press the Mode key on the front panel,then press the Burst to generate
versatile waveforms in burst. Burst can last for certain times of waveform cycle
(N-Cycle Burst), or to be controlled by external gated signals (Gated Burst).
Bust can apply to Sine, Square, Ramp, Pulse, Noise (only for gated burst)
and Arbitrary waveforms (except DC).
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