Section 5: SCPI command reference     Model 2231A Triple-channel DC Power Supply Reference Manual 
5-10  077100401/September 2014 
 
This command is to set or query the state of the instrument display. A value of 0 indicates no display. 
Item  Description 
Group  Display   
Syntax  DISPlay[:WINDow][:STATe] <Arguments> 
DISPlay[:WINDow][:STATe]? 
Arguments  0|1 |ON|OFF 
Returns  0|1 
Examples  DISP 0 
DISPlay[:WINDow]:TEXT[:DATA] 
This command shows a specified string on the screen or queries the screen display. 
Item  Description 
Group  Display 
Syntax  DISPlay[:WINDow]:TEXT[:DATA] <String> 
DISPlay[:WINDow]:TEXT[:DATA]? 
Arguments  String with “ “   
Returns  None   
Examples  Disp:text “hello keithley” 
DISPlay[:WINDow]:TEXT:CLEar   
This command is to clear all the specified display strings and return the display to voltage and current readings. 
Item  Description 
Group  Display 
Syntax  DISPlay[:WINDow]:TEXT:CLEar 
Arguments  None 
Returns  None   
Examples  Disp:text:cle 
INSTrument subsystem 
The commands in this subsystem configure and control the channel selection operations. 
INSTrument[:SELect]   
This command is to select the channel. 
Item  Description