Tektronix 4000 Series, User Manual

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Acquire the Signal
Turn multipurpose knob a to select the number
of data bits in the parallel bus.
Number of
Data Bits
16
Turn multipurpose knob a to select the desired
bit to de fi ne.
Turn multipurpose knob b to select the desired
analog or digital channel as the source for the
bit.
De fi ne Bits
(a) Bit 15
(b) D15
5. Push Thresholds .
Bus
Parallel
De fi ne
Inputs
Thresholds B1 Label
Parallel
Bus Display Event Table
For each signal that makes up the parallel or
serial bus, push the appropriate side-bezel
menu button. Then turn the appropriate
multipurpose knob to de
fi ne the voltage level
above which the oscilloscope treats the signal
as high and below which as low.
Tektronix 4000 Series Oscilloscopes User Manual 101