IntuVue RDR-4000 Weather Radar Pilot's Guide
WEATHER RADAR DISPLAY COLORS
Fault annunciations alert the pilot that the radar system is not
performing to established standards. Built-in test equipment (BITE)
automatically and constantly tests the radar system. If a system failure
occurs, a generic WXR FAIL message will be annunciated on the
Failures will appear as red caution annunciations on the display. Some
faults will cause any displayed radar data to disappear entirely.
If the fault does not resolve itself shortly, try cycling power to the
system. In a dual installation select the other system. If none of these
actions correct the problem, turn off power to the system.
The following table shows some typical fault annunciations. Actual fault
annunciations depend on the display in use.
Rev 1, December 2014