Guralp Systems CD1.1 - Manual (Page 42)

CD1.1 Tools for Platinum
set to be the serial number of the signing certificate and should
be set to zero if signing is not used.
The Backfill policy drop-down menu controls the order in
which requested back-fill frames are transmitted. The options
are “LIFO (last in, first out -- CTBTO preferred)” and “FIFO (first
in, first out -- time series)”.
The next section of the configuration screen is the Channels
table, which controls channel filtering: i.e. which channels are
to be transmitted by this sender instance. The on-screen text
explains its use.
To transmit all but a few channels, list the channels to omit and
leave the accept check-boxes un-ticked.
To transmit only a few channels, list the channels to send, tick
their “Accept” check-boxes and, as the final line, enter the
wild-card sequence:
_ _ _ _ _._ _ _._ _
with the check-box un-ticked. (The above line contains five
underscores, a period, three underscores, a period and two
underscores, with no spaces.)
Some further examples of filter rows follow.
42 Issue C