Guralp Systems CMG-DM24 - Manual (Page 26)

Operator’s Guide DM-24 Digitiser
Issue G January 2003 24
For this to function properly, triggering streams must be selected and trigger
criteria must be set by clicking on the Trigger button. When at least one
stream is selected for triggered output, selection of triggering streams and
trigger criteria are enabled. It is possible to trigger off of one tap but record
data from one or several different taps. (TRIGGERED)
Triggering streams selection: The triggering tap is selected by marking the circle next
to the tap. This tap need not be the tap from which streams are transmitted
when a trigger occurs. If you set triggering, you must also set the parameters
for the trigger criteria. (TRIGGERS)