Tektronix TDS5000B Series

TDS5000B Online Programmer Guide
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HORizontal:ROLL
Description
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 the 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 1
HORizontal:ROLL {AUTO|OFF|ON}
Syntax 2
HORizontal:ROLL?
Arguments
H AUTO
This enables Roll Mode, if the time/division is set appropriately.
H OFF
This disables Roll Mode.
H ON
This enables Roll Mode, if the time/division is set appropriately.
Example 1
HORizontal:ROLL ON
This command enables Roll Mode.
Example 2
HORizontal:RECOrdlength?
This query might return:
:HORIZONTAL:ROLL OFF
This indicates that the Roll Mode is disabled.