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6.5 Time Index Table
HD1
1
12-02-03 12:20:55
2
12-02-03 13:30:33
3
01-30-04 16:00:34
3000
Indexes
3000 02-03-04 16:00:56
Previously
recorded data
overwritten
The DVR will generate a
indicating recorded data is kept in a particular
HDD. This allows individually selected recorded
data to be displayed via the alarm list search
and full list search. The maximum number of
lists, for a given HDD, is
any given HDD is used up and the disk is not full,
the unit will still use the rest of the space for
recording. In such a case, an index for the
recent recorded data will be generated and the
index of the next oldest data will be erased so
that the list does remain 3000 in total. And the
next oldest data will be kept in the index of the
:
:
:
Time Index Table
3000
. When the list of
66
HD1
1
12-02-03 12:20:55
2
01-30-04 16:00:34
:
:
:
2999 02-03-04 16:00:56
3000 02-08-04 17:30:58
The point stops recording
Previously recorded data remaining
corresponding
oldest
newly-recorded data, this approach will be
applied until the disk becomes full.
In the rewrite recording mode, when the
archived hard disk drive is full, the DVR will start
overwriting the oldest data recorded. As the
previous recorded data is being overwritten
by the recent recording, the indicating time index
of that data will be changed corresponding to the
starting time of the remaining session. The index
of the session will be deleted from the table
when it is fully overwritten.
3000
Indexes
data.
For
any
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