6-23
TP27, TP37 Equipment Manual
Release 01/00
6.5.6 Buffer Overflow
All message events for event and alarm messages are automatically stored in a
message archive. The message archive can hold up to 512 message events.
When the remaining buffer capacity specified in ProTool (default setting 10%)
is reached, an overflow warning is automatically issued.
If the message archive has insufficient space to accept any more message
events, message events are automatically deleted until the specified remaining
buffer capacity is reached.
Deletion is carried out in the following order:
1. The oldest departed messages.
For departed event messages, the message events arrival and departure are
deleted. For departed alarm messages, the message events arrival, depar-
ture and acknowledged are deleted.
2. Pending messages.
The oldest pending messages are deleted to make space for the newly re-
ceived events.
If Buffer Overflow Message Logging has been specified and a printer is con-
nected and switched on, all deleted alarm and event messages are printed out in
the event of a buffer overflow.
Message Archive
Overflow Warning
Deleting Message
Events In the
Event of a Buffer
Overflow
Printout
Messages
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