RIGOL                                                                                                                                                   
                                                                     
Service Guide for DM3000 Series 
 
Inspection method: 
Press the first menu operation key in the left side, at the same time turn on the multimeter, 
keep pressing for about 5 seconds until you hear beep. After that, multimeter starts testing 
display.  In this state, the basic measure keys, parameter keys and trigger control keys 
would twinkle  and the  screen  displays  keyboard  testing  menu. When you first press a 
button, the corresponding icon in the test interface would change to reverse video, after 
this,, the icon would vary with the button you have pressed.   
 
If you make sure it was the malfunction of keyboard, please contact RIGOL. 
 
Tips: 
Some difficulties could be solved by recalling factory setup.   
For example, parts of setup mistakes or Non-fault errors could be eliminated by this way:   
Press Utility        System        Setup        Factory   
It  will  be  difficult  to  read  the  information  on  the  interface  if  the  display  configuration  is 
abnormal; we can recall the factory setup by another way to solve this problems:   
Keep pressing the second menu operation key and turn on the multimeter. Keep pressing for 
about  5  seconds  until  you  hear  beep.  After  that,  the  mulitimeter  will  load  the  factory 
configuration automatically.  
 
 
CAUTION:  You  can  contact  RIGOL  technical  support  department  or  RIGOL 
authorized distributors when there is malfunction. Do not disassembly 
the instrument by yourself to avoid accident or losing.