Guralp Systems CMG-DM24 - Manual (Page 40)

CMG-DM24
As can be seen, the filter you choose defines the set of permissible
sample rates.
The spectral amplitudes for the various frequency responses available
are shown in the figures below.
Level triggering
Using the Level triggering method, a trigger is generated whenever one
of the checked components reaches a certain level above the baseline.
You can select which tap is monitored from the Data source drop-
40 Issue N