Command Groups
Command
Description
CH<x>:WLENgth:LIST? Returns the wavelengths available for the
specified channel
CH<x>:WLENgth:VALue Sets or returns the wavelength for the
specified cha
nnel
REF<x>:POS
ition
Sets or retu
rns the reference vertical position
REF<x>:SCA
le
Sets or retu
rns the reference vertical scale
(per div)
REF<x>:WF
MLabel
Sets or returns the label associated with the
specified reference waveform
SELect? Returns information on which waveforms are
ON/OFF an
d w hich waveform is the selected
waveform
SELect:CH<x> Sets or returns a waveform ( on or off) (main
timebase)
SELect:CONTROl Sets the waveform controlled by front panel.
Note: N
ONE may be returned by *LRN?.
If this is an argument, do nothing. Also,
timebase is NOT optional
Retur
ns the waveform and timebase selected
for front-panel control
SELect:MATH<x> Sets or returns a m ath waveform (on or off)
(main timebase)
SELect:REF<x> Sets or returns a reference waveform (on or
off)
(main timebase)
Wa veform Database Command Group
You use the commands in the Waveform Database Command group to view and
set up a waveform database. A waveform database is a collection of sequentially
acquired waveforms. Think of a waveform database as a three-dimensional array
with a count dimension in addition to the usual vertical and horizontal dimensions.
T
he count represents the number of times a specific waveform point has been
acquired or generated. Waveform database accumulation is always a dot mode
accumulation (that is, no interpolation or vectoring is performed).
Waveform database count values stored in the waveform database array are
unit-less with respect to absolute u ser units (for example, volts or seconds). They
are described b y the attributes of the source waveform along with the overall
dimensions of the array.
DSA/CSA/TDS8X00/B Series Programmer Manual 2-43
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