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44
Waveform display
There are four types of waveforms displayed on the screen: CH1/CH2/
CH3/CH4, REF1/REF2, Math1/Math2, and FFT.
CH1, CH2
Displays sampling results of signals input to channels 1 to 4.
CH3, CH4
Displayed waveforms can be expanded or reduced.
waveforms
CH1 to CH4 waveforms are also used as waveforms to be saved/recalled
to an ATA card or floppy disk.
REF1, REF2
Displays reference waveforms recorded by the REF SAVE button.
(reference)
Displayed waveforms cannot be expanded or reduced.
waveforms
Reference waveforms are used to compare CH1 to CH4 waveforms.
Displays results of calculations selected by Math in the DISPLAY menu
Math1, Math2
on CH1, CH2 waveforms or CH3, CH4 waveforms. Calculations are
(calculation)
executed regardless of display (non-display) of CH1 to CH4 waveforms.
waveforms
FFT
Performs the FFT calculation of CH1 to CH4 waveforms and displays
the calculation results.
(calculation)
waveforms
For details, see the FFT calculation (page F-1).
Horizontal display position immediately after acquisition of waveform
CH1 to CH4 waveforms are displayed as shown in the figure below immediately
after they are acquired (until any panel operation). Data outside the screen can be
observed by DELAY operation or reduction operation by TIME/DIV after
acquisition of waveform is stopped. Depending on the sweep rate setting or
ACQUISITION setting, the amount of displayed data may be less than the value.
Short memory
Long memory
First data acquired
"
@=J=
"
@=J=
Waveform display screen
Outside
screen
Last data acquired
1000 data
100000 data
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