RIGOL  Chapter 2 Front Panel Operations 
2-48  DL3000 User’s Guide 
(1)  In the guide interface, press the Up/Down arrow key to switch the 
parameter focus to "Delay_Step".  
(2)  Enter a value by using the numeric keys. For setting methods, refer to the 
descriptions in "Parameter Setting Method". 
 
Set OCP_V 
The protection voltage in the OCP test mode. The default unit for the value is V. 
(1)  In the guide interface, press the Up/Down arrow key to switch the 
parameter focus to "OCP_V". 
(2)  Enter a value by using the numeric keys. For setting methods, refer to the 
descriptions in "Parameter Setting Method". 
 
Set C_Max 
The maximum value of the protection current in the OCP test mode. The default 
unit for the value is A. 
(1)  In the guide interface, press the Up/Down arrow key to switch the 
parameter focus to "C_Max". 
(2)  Enter a value by using the numeric keys. For setting methods, refer to the 
descriptions in "Parameter Setting Method". 
 
Set C_Min 
The minimum value of the protection current in the OCP test mode. The default 
unit for the value is A. 
(1)  In the guide interface, press the Up/Down arrow key to switch the 
parameter focus to "C_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 overcurrent protection time in OCP 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 2-30. At this time, "OCP" 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.