ADPRO FastTrace by Xtralis Installation and User Manual
Doc 11168_12 123
6 FastTrace Impounding
The FastTrace Impound feature is used when the FastTrace unit contains potential evidence and
it is deemed that the storing and/or exporting of FastTrace data using VideoCentral is not
sufficient.
Installers will normally change the Impound settings of a FastTrace at the request of the site
owner.
Dip Switch 6 must be enabled on the FastTrace unit to enable the Impound feature (refer to
Configuration Switches on page 37). A power cycle is then required to complete the
configuration.
While FastTrace is in the impound state, no data shall be written to or deleted from the hard disks
or flash memory. This has the following implications:
• No video, audio, events, or logs will be written.
• All User Settings, other than those based on hardware switches, cannot be modified.
• Persistence across reboot will be compromised.
• Any system functionality that relies on Persistence across reboot will also be disabled. This
includes isolation of detectors, secure override, and time change.
• FastTrace logging will be compromised.
• Data (video, audio, events, logs) may be retrieved from FastTrace.
• Alarms will be reported.
• Inconsistencies of data (e.g. due to powering off during a write, hard disk read errors, or
exchanging hard drives) WILL CONTINUE TO BE REPAIRED. Normally, this will only occur
during the next power-on after impounding, since writes will no longer happen.
• A FastTrace unit cannot be upgraded.
VideoCentral can be used to read data from an impounded site at a later point in time.
VideoCentral will display a warning if an operator views a connected FastTrace site that is
impounded. This warning can be acknowledged by clicking on the OK button. Both an
acknowledgement or non-acknowledgement of this warning will be logged to the VideoCentral
database.
When the impounding is removed, significant portions of data may be deleted, depending on how
long the site was impounded and the retention policies. If a site must be impounded, the user
would be wise to impound the site as soon as possible after the event occurred. The time the
data will be kept depends on the number of record jobs, whether an alarm was generated when
the event occurred, retention policy, etc.
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