MERLIN LEGEND Communications System Release 6.1
System Programming and Maintenance (SPM)
555-661-140
Issue 1
August 1998
Programming with SPM
Page 43
Using SPM
■ To return to the beginning of a report, press
.
■ To exit from the Browse option and return to the SPM Main Menu,
press
0
.
Convert
The Convert option (which can be used remotely) simplifies upgrading
from an earlier release to a later release of the communications system.
(See “Upgrading the Communications System.”) This procedure should
be done only by qualified service personnel.
Convert uses two files: the existing backup file (the “convert from” file)
and the converted file (the “convert to” file), which is created when you
run the Convert option. The converted file contains system programming
information in an uncompressed form. The “convert from” file is
unchanged. Because uncompressed files take longer to process than
compressed files, you may want to restore this uncompressed backup to
the old control unit and then create a new backup. This new backup is in
compressed form and does not have to be converted. For more
information about compressed and uncompressed files see “Backup.”
To convert system programming to Release 6.0 format, Version 6.15 of
SPM is required. This version can be easily identified by the version
number,
V6, in the upper left corner of the screen.
Help screens are available to guide you through the Convert procedure.
See “SPM Help.”
Before you use the Convert option, you must complete the following
tasks:
■ If your PC has a hard disk, install the appropriate version of the
SPM software. See “Upgrading the System.”
■ Back up system programming. See “Backup.”
■ Make sure you know the name of the backup file that you have
created.
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