TM00358 Rev. A Chapter 5 - Built-In Tests
L-3 WESCAM October 2007
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5.1.2 Alarms Page BIT Details
Expanded details of specific BIT failure can be reviewed from the Alarms page. Operators can access the Alarms
page by selecting the Alarms action field located at the bottom of user menus. The Alarms page will list the following
BIT details:
• Alarm Timestamp
• Alarm Description
•Alarm Summary
• Alarm BIT Error Code
Alerts are retained on the alarms page until the system component returns to its fully functioning state. Restoring a
component’s function might be accomplished by restarting the system, running a BIT test, or the component may
require maintenance. The software is capable of storing up to 16 alert messages only. Additional alerts are added
by dropping the previous alerts with the oldest time stamp.
Table 5-1 Status Indications in the System Status Main Menu
Status State Description Recommended Action
OK,
MINOR,
MAJOR
STARTUP Component Initializing:
• Some components are warmed or cooled
before they can be operated.
None.
– N/A Communication failure with component. Review the Alarms page.
OK OPERATIONAL Component is in a fully functioning state. None.
OK STOWED Turret is operational but in the Stow position Steer turret to Forward or manual
position to establish video.
MINOR OPERATIONAL Component BIT test failed but still functional:
• Component capabilities are out of tolerance,
e.g. focus position exceeded tolerance set
point.
Review BIT from the Alarms page.
MAJOR OPERATIONAL Component BIT test failed but still functional:
• The system has forced a partial shutdown of
capability. For example, the EOW mechanism
caused Iris function to shutdown, but zoom and
focus capability remain.
Review BIT from the Alarms page.
MAJOR FAILED Component BIT failed and is shutdown.
• The system has forced a shutdown of a
capability. For example, the internal gimbal
temperature is too hot so the EON is shutdown.
Review BIT from the Alarms page.
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