GDS-200 & GDS-300 Series User Manual 
72 
Forced Trigger  
 
If the input waveforms are not triggered, they 
can be force triggered using the Force Trigger 
button. 
From the Trigger menu, press the Force Trigger 
button. The scope will trigger immediately. 
Alternate Trigger  
 
The Alternate trigger allows the scope to trigger 
alternatively between CH1 and CH2. 
From the Trigger menu, press the ALT button. 
A check will indicate if the ALT function is 
active. The ALT function applies to all the 
trigger types.