RIGOL  Chapter 2 Front Panel Operations 
2-56  DL3000 User’s Guide 
parameter focus to "P_Min". 
(2)  Enter a value by using the numeric keys. For setting methods, refer to the 
descriptions in "Parameter Setting Method". 
 
Set T_Limit 
The maximum overpower protection time in OPP mode. If no action is 
performed during the protection time, the load will automatically stop sinking 
the current. The default unit for the value is 
μs. 
(1)  In the guide interface, press the Up/Down arrow key to switch the 
parameter focus to "T_Limit". 
(2)  Enter a value by using the numeric keys. For setting methods, refer to the 
descriptions in "Parameter Setting Method". 
 
4.  Enter the main interface 
In the guide interface, after you configure the parameters, press Apply to enter 
the main interface, as shown in 
Figure 2-34. At this time, "OPP" is active at the 
top of the main interface, which indicates that the parameters have been 
successfully configured. In the guide interface, if you give up configuring 
parameters, you can press Cancel to exit the guide interface and enter the 
main interface. 
 
 
Figure 2-34 Main Interface of OPP Test Function 
 
The menus of the main interface are displayed in three pages. 
Menu items on Page 1: Von, Delay_Von, P_Start, P_Step, Delay_Step, and Next. 
Menu items on Page 2: OPP_V, P_Max, P_Min, T_Limit, Back, and Next. 
Menu items on Page 3: Guide, Read, Save, and Back. 
To go to the next page, press Next; to exit the current page and go back to the 
previous page, press Back; to go back to the guide interface from the main 
interface, press Guide. 
 
In the main interface, you can also set parameters based on your own needs. 
The setting methods for the parameters are as follows: 
 
Set Von 
(1)  In the main interface, press Von to switch the parameter focus to "Von". 
(2)  Enter a value by using the numeric keys, arrow keys, or the knob. For