This tab has the following configurable fields: 
  Arm mode 
  Armed – Signal generation starts when an “enable” event is received as 
defined by the trigger mode. 
  Self – Signal generation starts as defined by the trigger mode. 
  Trigger mode 
  Continuous – Signal generation starts immediately after pressing the Run 
button. No trigger needed. 
  Triggered – Signal generation starts after a trigger is received. 
  Gated – Signal generation starts when a rising edge is received on the trigger 
input and pauses when a falling edge is received. Signal generation restarts 
after the next rising edge. 
  Threshold 
Specifies the threshold voltage for a software trigger or event.  
  Polarity  
Specifies the polarity for a software trigger or event viz. Negative, Positive, or 
Either. 
  Operation 
Specifies whether the trigger or event operation is Synchronous or 
Asynchronous. Operation mode is same for both trigger and event input. 
  Frequency 
Specifies the frequency for internal trigger.  
  Force Trigger 
Use this button to send a software trigger to a channel. 
  Force Event 
Use this button to send a software event to a channel. 
  Force Enable 
Use this button to send a software “enable” to a channel.