PULSE EQUIPMENT
PRIMUS 880 WEATHER RADAR
WARNING
THE AREA WITHIN THE SCAN AREA AND WITHIN 15 FEET OF AN
OPERATING WEATHER RADAR SYSTEM CONSTITUTES A HAZARDOUS
AREA. DO NOT OPERATE THE RADAR SYSTEM WITHIN 15 FEET OF
PERSONNEL OR FLAMMABLE OR EXPLOSIVE MATERIAL OR DURING
FUELING OPERATIONS. FOR GROUND OPERATION OF A RADAR
SYSTEM, POSITION THE AIRPLANE FACING AWAY FROM BUILDINGS
OR LARGE METAL STRUCTURES THAT ARE LIKELY TO REFLECT
RADAR ENERGY BACK TO THE AIRPLANE.
The Primus 880 Weather Radar System is an X-band alphanumeric digital radar with display
designed for weather location and analysis and for ground mapping. The radar system can also be
operated in conjunction with Electronic Flight Instrument Systems (EFIS) and the MFD to provide
radar video to the EFIS HSI display and the MFD. The MFD serves as the primary indicator for the
weather radar display, which is controlled by the WC-880 Remote Radar Controller. The system
detects storms along the flight path and gives the pilot a visual indication, in color, of storm intensity.
Storm intensity is displayed at five color video levels with black representing weak or no returns and
green, yellow, red and magenta showing progressively stronger returns. In ground mapping mode,
video levels of increasing reflectivity are displayed as black, cyan, yellow and magenta.
WARNING
THE SYSTEM PERFORMS ONLY THE FUNCTIONS OF WEATHER
DETECTION AND GROUND MAPPING. IT SHOULD NOT BE USED OR
RELIED UPON FOR PROXIMITY WARNING, ANTI-COLLISION OR
TERRAIN AVOIDANCE.
The system consists of a receiver, transmitter, antenna, and a remote operating control panel
mounted on the center pedestal.
The MFD controller (MC-800) is installed in the center instrument panel. Some functions of the MFD
interface with the radar, these are also discussed under Electronic Flight Instrument System.
CONTROLS
TILT
Rotary control used to select tilt angle of antenna beam with relation to earth
plane. Tilt range is 15° upward to 15° downward.
WX/TERR On DC-550 EFIS display controller. WX/TERR button selects weather or
map display on either primary flight display (PFD). WX selects arc mode as
well as adds weather to the display.
WX/TERR On MC-800 multi-function display controller. Selects radar weather mode for
display on the multi-function display (MFD). If the MFD is in PLAN mode,
selecting WX mode will force the display into the MAP mode for weather
display.
Cessna Citation XLS - Instrumentation & Avionics
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