Use the following commands to show a short description of syslog codes:
help syslog: it shows the list of System Log event;
help syslog nnnnn: it shows help on the specified System Log event.
Example:
[15:38:06] ABILIS_CPX:help syslog 212
------+-----------+------------------------------------------------------------
Code | Severity | Description
------+-----------+------------------------------------------------------------
00212 | INFO | SYS SET BOOT VERSION COMMAND has been executed.