Appeal No. 2000-0968 Page 3
Application No. 08/629,484
respectively receiving different analog input signals and
generating digitized waveform data representative of such
analog signals,
a memory for storing digitized waveform data,
a display device having a display screen for
displaying stored waveform data from one or more input
signals in a screen display format which includes one
or more waveform representations on one or more traces,
and
a processor coupled to said waveform acquisition
circuitry and to said memory and to said display device
and operable under stored program control for
controlling storage and display of waveform data,
said processor executing a program which includes:
(a) a mode control routine for selectively
operating said display device in either a
live mode in which acquired waveform data is
displayed in a predetermined format
substantially currently as acquired or a
freeze mode in which a previously acquired
waveform screen display is frozen on the
screen in the predetermined format, said mode
control routine including a portion
cooperating with said memory to store for at
least one trace selected display format
parameters corresponding to waveform signals,
if any, initially displayed on the at least
one trace and another trace when the freeze
mode is entered, and
(b) a freeze control routine selectively operable
in the freeze mode for reconfiguring a frozen
screen display format by altering the number
of traces and/or the assignment of plural
signals to plural traces.
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