Guralp Systems CMG-DCM build <10,000 - Manual (Page 137)

Operator's Guide
11.2.2 Configurable parameters in expert mode
The following additional configuration parameters are available by
clicking the “Expert” button at the bottom of the form.
Early versions of the Scream protocol expected all data to originate
from COM ports and the port number was used to identify data
sources. Version 5 and above of the protocol allow for a much more
flexible naming scheme. The V4.0 COM names check-box can be
cleared to enable advanced naming or ticked to retain compatibility
with earlier versions of the protocol.
The protocol includes a description field identifying the source of each
block. By default, this is set to the host name of the originating
machine but it can be over-ridden by entering a value in the Node
name text field.
It may sometimes be desirable, for debugging purposes, to separate log
messages for this transmitter from the standard system log. The Log
file text field can be populated with a path name which will then be
used for dedicated logging. If left blank, logging occurs (via the
standard Linux syslog facility) to /var/log/messages.
The Log level drop-down menu controls the level of detail present in
log messages, whether to syslog or to a dedicated log file. Not all of the
standard syslog logging levels are available. The menu offers a choice
(in order of decreasing detail) of:
•
Debugging information;
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