Chapter 2. Introduction
The DM24mk3 digitiser is capable of performing several calculations useful for strong motion study. This document details the setup and operation of the strong motion mode.
The strong motion results are computed and transmitted in real-time, in parallel with waveform data.
Note: Güralp Systems’ Scream software is not directly compatible with the DM24’s strong motion mode. Scream's configuration dialog must not be used to configure the digitiser once strong motion mode is enabled. Scream cannot be used to view strong motion data although an EAM or NAM can be used to convert the data into a format viewable by Scream. Scream can still be used to examine the raw data waveforms (velocity or acceleration) and to use terminal mode on the digitiser.
To follow the instructions in this document, it will be useful to examine these documents as well:
Information blocks (each digitiser and instrument pair must have an information block containing the calibration values, allowing the strong motion results to be calculated in ground units): www.guralp.com/howtos/information-blocks-from-guralp-digitisers
The DM24 manual (and in particular the section on command line use): MAN-D24-0004.