Commands Listed in Alphabetical Order
HORizontal:R
OLL
This command sets or queries the Roll Mode status. Use Roll Mode when you
want to view data at very slow sweep speeds. It is useful for observing data
samples on th
e screen as they occur. This command is equivalent to selecting
Horizontal/Acquisition Setup from the Horiz/Acq menu, selecting the Acquisition
tab, and setting the Roll Mode to Auto or Off.
Group
Horizontal
Syntax
HORizontal:ROLL {AUTO|OFF|ON}
HORizontal:ROLL?
Arguments
AUTO enables Roll Mode, if the time/division is set appropriately.
OFF disables Roll Mode.
ON enables Roll Mode, if the time/division is set appropriately.
Examples
HORIZONTAL:ROLL ON enables Roll Mode.
HORIZONTAL:ROLL? might return :HORIZONTAL:ROLL OFF, indicating that the
Roll Mode is disabled.
HORizontal:TIMEStamp:CH<x>? (Query Only)
This query returns the horizontal timebase for the channel. The channel is
specified by x. The value of x can range from 1 through 4.
Group
Horizontal
Syntax
HORizontal:TIMEStamp:CH<x> ?
Examples
HORIZONTAL:TIMESTAMP:CH1? might return
:HORIZONTAL:TIMESTAMP:CH1 "timestamp not availa ble", indicating
that the timebase for the Channel 1 is not available.
HORizontal:TIMEStamp:REF<x>? (Query Only)
This query returns the horizontal timebase for the reference waveform. The
reference is specified by x. The value of x can range fro
m1through4.
DPO7000, DPO70000/B and DSA7000/B Series Programmer Manual 2-263
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