Measure:history:display; Measure:history:dmode - Rigol DS4000E Series Programming Manual

RIGOL
When [<chan>] is omitted, the command, by default, applies to the currently set measurement source

(refer to the :MEASure:SOURce command).
Return Format
The query returns the average value, current value, standard deviation, maximum value, or minimum value
in scientific notation. When the measurement results are invalid, the query returns 9.9e37.

:MEASure:HISTory:DISPlay

Syntax
:MEASure:HISTory:DISPlay <bool>
:MEASure:HISTory:DISPlay?
Description
Turns on or off the measurement history; or queries the on/off status of the measurement history.
Parameter
Name Type
<bool> Bool
Remarks
The measurement history cannot be turned on when there is no measurement item.

You can use the :MEASure:HISTory:DMODe command to set the display form of the history data.

Return Format
The query returns 1 or 0.

:MEASure:HISTory:DMODe

Syntax
:MEASure:HISTory:DMODe <mode>
:MEASure:HISTory:DMODe?
Description
Sets or queries the display form of the history data.
Parameter
Name Type
<mode> Discrete
Remarks
TABLe: displays the measurement history in table. The last 10 measurement results of at most 5

measurement items that are turned on last time can be displayed.
GRAPh: displays the measurement history in graph. The measurement points are connected through

the linear interpolation.
Return Format
The query returns TABL or GRAP.
2-128
Range
{{1|ON}|{0|OFF}}
Range
{TABLe|GRAPh}
Chapter 2 Command System
Default
0|OFF
Default
GRAPh
DS4000E Programming Guide