UNI-T UPO3000E Series - Chapter 4 Sampling System Settings; Sampling Rate and Modes; Low Sampling Rate Effects

UNI-T
UPO 3000E&UPO2000E Series Oscilloscope Programming Manual
:CHANnel<n>:UNITs
 Command format：
:CHANnel<n>:UNITs {VOLTs|AMPeres|WATTs|UNKNown}
:CHANnel<n>:UNITs?
 Functional description：
Set channel unit as VOLTs, AMPeres, WATTs and UNKNown.
 Return format：
Query return VOLTs, AMPeres, WATTs or UNKNown.
 For example：
:CHAN1:UNIT VOLT set channel 1 unit as voltage
:CHAN1:UNIT? query return VOLTs
:CHANnel<n>:VERNier
 Command format：
:CHANnel<n>:VERNier { {1|ON} | {0|OFF} }
:CHANnel<n>:VERNier?
 Functional description：
Set position accommodation mode, ON presents Fine tuning，to further
subdivides between coarse
tuning settings to improve vertical resolution; OFF presents Coarse tuning， based on 1-2-5
system to set vertical sensitivity.
 Return format：
Query return 1 or 0，it presents ON or OFF.
 For example：
:CHAN1:VERN ON turn on channel 1 fine tuning function
:CHAN1:VERN? query return 1
:CHANnel<n>:BIAS
 Command format：
:CHANnel<n>:
BIAS { {1|ON} | {0|OFF} }
:CHANnel<n>:
BIAS?
 Functional description：
The switch setting of channel bias voltage.
 Return format：
Query return 1 or 0，it presents ON or OFF.
 For example：
:CHAN1:BIAS ON turn on channel 1 bias voltage function
:CHAN1: BIAS? query return 1