From the GUI of the Noise Generator select System and choose Injector Loss.
The Injector loss screen will open, in the screen on the left side you then select Micro Interrupts parameters
Use the Radio button to select Side A or Side B
Type a value in the Interrupt Time text box
Type a value in the Interrupt every Text Box
Type the Total Number of interrupts in the text box
The start button will play the Total number of interrupts in the Value text box
The Single Shot will play just the Interrupt Time
All of the Above manual functions can be scripted for automation, the commands are in the DLS-5500 or DLS-5800 Manual.