RIGOL DG1000Z Series - Manual (Page 197)

Chapter 2 Command System RIGOL
DG1000Z Programming Guide 2-185
[:SOURce[<n>]]:VOLTage:RANGe:AUTO
Syntax [:SOURce[<n>]]:VOLTage:RANGe:AUTO {OFF|ON|0|1}
[:SOURce[<n>]]:VOLTage:RANGe:AUTO?
Description Set the range of the specified channel to auto (ON or 1) or hold (OFF or 0).
Query the on/off status of the auto range of the specified channel.
Parameter Name Type Range Default
[<n>] Discrete 1|2 1
{OFF|ON|0|1} Bool OFF|ON|0|1 ON
Explanation  When [:SOURce[<n>]] or [<n>] is omitted, the system sets the related
parameters of CH1 by default.
 ON|1: set the channel range to auto. The instrument selects the optimum
amplifier/attenuator combination automatically.
OFF|0: set the channel range to hold. In this mode, the possible transient
amplitude variation of the output signal when the attenuator range is changed
and during the switch process can be eliminated, which might affect the
amplitude and offset accuracy, the resolution as well as the waveform fidelity.
Return Format The query returns ON or OFF.
Example :SOUR1:VOLT:RANG:AUTO ON /*Set the range of CH1 to auto*/
:SOUR1:VOLT:RANG:AUTO? /*Query the on/off status of the auto range of
CH1 and the query returns ON*/