The General Function Menus
Display Menu
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high resolution
The high resolution function uses the full resolution of the waveform data to
give the best possible representation of the waveform on the display. The
high-resolution mode also makes the displayed waveforms look more analog.
The waveform data in memory typically has a greater vertical resolution than
the display. The high-resolution mode then uses a display technique that
gives the display the appearance of more vertical resolution than the display
actually has.
When the data point lies between adjacent pixels, the instrument lights up
both pixels, but varies the brightness of each pixel. The brightness of each
pixel is proportional to how close it is to the data point. Your eye is then
drawn to a point between the two pixels to the data point. However,this
increased
vertical
resolution
does
take
microprocessor
time
,
which
slows
down the
display update
rate of
the instrument.
The
high-resolution
mode is
not available
when
the
mask
test
is
running.
The
display
update
rate would
be reduced
without
improving
the
appearance
of
the
waveform
on the
display.
K
ey
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Displa
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draw
waveform
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high
resolution
11-30
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