RIGOL  Chapter 2 Command System 
2-62  DP800 Programming Guide 
:SYSTem:SAVer 
Syntax  :SYSTem:SAVer {ON|OFF} 
:SYSTem:SAVer? 
Description  Enable or disable the screen saver function.   
Query the status of the screen saver function.   
Parameter 
Name  Type  Range  Default 
{ON|OFF}  Bool  ON|OFF  OFF 
 
Explanation  When the screen saver function is enabled, the instrument will enter the screen saver 
mode automatically after standing by for 25 minutes and will enter the black screen 
state after another 12.5 minutes.   
Return Format  The query returns ON or OFF. 
Example  :SYST:SAV ON 
:SYST:SAV? 
 
 
:SYSTem:SELF:TEST:BOARD? 
Syntax  :SYSTem:SELF:TEST:BOARD? [{TOP|BOTTOM}] 
Description  Query the self-test results of TopBoard and BottomBoard.   
Parameter 
Name  Type  Range  Default 
{TOP|BOTTOM}  Discrete  TOP|BOTTOM  None 
Explanation  TOP: query the self-test result of TopBoard; BOTTOM: query the self-test result of 
BottomBoard; when the parameter is omitted, the command queries the self-test 
results of TopBoard and BottomBoard at the same time.  
Return Format  The query returns PASS or FAIL. When the parameter is omitted, the query returns 
the self-test results of TopBoard and BottomBoard (separated by comma) at the same 
time.  
Example  :SYST:SELF:TEST:BOARD? 
Related 
Command 
*TST? 
 
 
:SYSTem:SELF:TEST:FAN? 
Syntax  :SYSTem:SELF:TEST:FAN? 
Description  Query the self-test result of the fan. 
Return Format  The query returns PASS or FAIL. 
Related 
Command 
*TST? 
 
 
:SYSTem:SELF:TEST:TEMP? 
Syntax  :SYSTem:SELF:TEST:TEMP? 
Description  Query the self-test result of the temperature. 
Return Format 
The query returns the temperature value in ℃, for example, 23.67.