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System Administrator’s Guide
Document K14392V1 Rev A 131
07/07
To Trace the Clearing of Storage
• Track the moment it happens by making this event an alarm. See Tracing Events, on p. 191,
and Events Defined, on p. 187.
• Prevent future attempts by changing the Administrator account password.
Security and unit availability considerations
Clearing of a unit’s entire storage or of one of its streams can have
a major impact on that site’s security. All recorded video is lost. During the time that a unit is
emptied a Multi-Media unit cannot record video, nor send alarms, and so on. Your Multi SA should
warn View operators that use of the Clear storage and Clear stream buttons, whether planned or
carried out, should be communicated to your organization’s security personnel.
Updating Security on a Multi-Media Unit
Fig. 8–2. Securing a Unit, after Changing Passwords.
1. Use View to start a
Maintenance Session for the Multi-Media unit.
2. Click Update security on the Security tab of a Maintenance Session. See fig.
8–2,
above. Information from the Multi db is copied to the Multi-Media unit. Please wait until
“Updated security” appears.
3. You have the option of updating security on other units, or/and ending the Maintenance
Session, as explained in
Ending Maintenance on p. 62.
Purpose
A unit’s security settings need to be updated if a Multi SA adds, changes or removes:
• Alarm stations. See
Adding an Alarm Station: Name and Reports, on p. 203 and Making an
Alarm Station Operational, p.
218.
• The system password. See
System Password, on p. 166, and Security Priorities, p. 162.
• Authorized operators of a site. See
Denying Access, p. 198.
• Authorized onsite operators. See
Central User Management, p. 154.