Tektronix DPO4000 Manuale Utente Pagina 173

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Commands Listed in Alphabetical Order
Syntax
D<x>
D<x>:LABel
Sets or returns the waveform label for digital channel <x>, where x is the channel
number.
Group
Vertical
Syntax
D<x>:LABel <Qstring>
D<x>:LABel?
Arguments
<Qstring> is an alphanumeric string of text, enclosed in quotes, that contains the
text label information for the digital channel <x> waveform. The text string is
limited to 30 characters.
Examples
D4:LABEL?
might r eturn :D4:LABEL “Clk Wfm 4”.
D<x>:POSition
Sets or returns the vertical position for digital channel <x>, where x is the channel
number.
NOTE. Unlike analog channels, which use the center baseline a s the zero point,
digital channels use the bottom logic level a s the zero point. Because of the slot
model used to describe digital channel position, the oscilloscope rounds off
divisions to the nearest slot.
Group
Vertical
Syntax
D<x>:POSition <NR3>
D<x>:POSition?
Arguments
<NR3> is the position of the digital channel in slot units. Use the oscilloscope
front-panel controls to place the channel; then query the c hannel to obtain an
exact value for the position.
MSO4000 and DPO4000 Series Programmer Manual 2-163
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