Agilent Technologies 42A ユーザーズマニュアル

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MegaZoom Concepts 
MegaZoom technology combines the advantages of conventional 
deep-memory digital oscilloscopes with the responsiveness and update 
rate of traditional analog oscilloscopes.  Conventional deep-memory 
digital oscilloscopes are known for their ability to capture long time 
intervals while still maintaining high sample rates.  MegaZoom 
technology keeps the deep-memory advantages, without the usual 
deep-memory disadvantages of an unresponsive user interface (while 
panning and zooming through the data) and poor signal update rate.
MegaZoom technology incorporates a multi-processor architecture in 
the signal data path between the oscilloscope probe and the oscilloscope 
display.  This yields an instrument that responds instantly to pan and 
zoom controls while exploring the acquired data.  MegaZoom technology 
combines update rate, instant control response, and deep-memory 
innovations to allow you to capture long time periods with high sample 
rates, and instantly zoom in on the signal details of interest either while 
stopped or running.  Deep-memory, front-panel responsiveness and 
display update rate are combined into one oscilloscope, with no need for 
a special mode or memory depth selection.