ECLIPSE AVIATION SECTION 7
EA500 DESCRIPTION AND OPERATIONS
SECTION 7
DESCRIPTION AND OPERATIONS
TABLE OF CONTENTS
WEATHER RADAR............................................................................7-1
General........................................................................................ 7-1
Controls and Indication.............................................................7-2
Crew Alerting System Messages..............................................7-5
Issued: PRELIMINARY Part No. 06-122204
Original Issue 7-i
SECTION 7 ECLIPSE AVIATION
DESCRIPTION AND OPERATIONS EA500
LIST OF FIGURES
Figure 7-1.Weather Radar Controls (Test Pattern).....................................7-2
Figure 7-2.Weather Radar Indications (WX Mode).....................................7-4
Figure 7-2.CAS Messages ..........................................................................7-5
Part No. 06-122204 Issued: PRELIMINARY
7-ii Original Issue
ECLIPSE AVIATION SECTION 7
EA500 DESCRIPTION AND OPERATIONS
WEATHER RADAR
General
The Eclipse 500 Weather Radar System (JMA-500) consists of an antenna,
pointing control motors, transmitter, receiver, and signal processing
electronics. The system interfaces directly with the PFDs for system control
and radar information display.
The Weather Radar System provides pilots with local weather to aid in
avoiding thunderstorms and associated turbulence. It is not designed for
use as a terrain or collision avoidance system.
The weather radar system provides the following features:
• Transmission of radar signals and detection and classification of radar
returns from precipitation including rain, snow, hail, and ice.
• Signal processing to characterize intensity of precipitation.
• Display of weather information.
• Built-in testing to identify fault conditions and annunciation messages.
• Pilot interface functions to control tilt, operation modes, gain, and
range.
• Automatic stabilization of the radar antenna to maintain a constant scan
relative to the horizon during moderate aircraft maneuvers.
Issued: PRELIMINARY Part No. 06-122204
Original Issue 7-1
SECTION 7 ECLIPSE AVIATION
DESCRIPTION AND OPERATIONS EA500
Controls and Indication
The Weather Radar Control Buttons and Knobs are the same on Both Left
and Right PFDs.
Figure 7-1. Weather Radar Controls (Test Pattern)
Overlay Control Button
Push the Overlay Control Button to step through the choices for the
following HIS display screen overlays:
• OFF
• Weather Radar
• TAWS
• TCAS
Part No. 06-122204 Issued: PRELIMINARY
7-2 Original Issue
ECLIPSE AVIATION SECTION 7
EA500 DESCRIPTION AND OPERATIONS
View/Range Button
Push the RANGE button to activate range from the view mode. Once
activated, each push toggles between Circular and Sector Modes:
• VIEW
• RANGE
⎯ Range in Circular Mode
⎯ Range in Sector Mode
Range Control - Left Inner Knob
With RANGE activated, rotate the Left Inner Knob clockwise to
increase, or counter clockwise to decrease the range to 10, 20, 40, 80,
160, or 240 NM.
The selected range is displayed in the upper right corner, and the range
ring distance is displayed along the right edge of the display.
Gain Control - Right Outer Knob
On WxR tab page, with Weather Radar ON and selected to MAP Mode,
rotate the Right Outer Knob clockwise to decrease, and counterclockwise to increase, the Gain between 0dB and -20dB.
Tilt Control - Right Inner Knob
On WxR tab page, with Weather Radar ON, rotate the Right Inner Knob
clockwise to increase, and counter-clockwise to decrease, the tilt range
between -15 degrees to +15 degrees.
The tilt angle is displayed in the upper right corner.
Tab Select Knob
Rotate the Tab-Control Knob clockwise to select the next tab to the
right, or counter-clockwise to select the next tab to the left. Possible
tabs are:
• COM
• NAV
• XPDR
• WxR
Mode Button
On WxR tab page, use the Mode Button to step through the following
mode selections:
• WX – Weather Mode
• WXA – Weather Alert Mode (Magenta areas will flash)
• MAP – Ground Map Mode (Gain can be controlled)
Issued: PRELIMINARY Part No. 06-122204
Original Issue 7-3
SECTION 7 ECLIPSE AVIATION
DESCRIPTION AND OPERATIONS EA500
Function Button
On WxR tab page, use the Function Button to step through the
following function selections:
• OFF – The radar remains active with no radar transmission.
• STBY – Fully energized system circuits, but no Radar
Transmission. Antenna is parked at 0 degrees azimuth and 30
degrees tilt down with the antenna drive motors locked.
• TEST – Radar does not Transmit and a multicolor Test Pattern is
displayed.
• ON – Radar Transmits after a 90 second warm-up; normal
operations and Weather is displayed with initial 80 NM range.
Figure 7-2. Weather Radar Indications (WX Mode)
Mode Color Indications
WX Colors:
⎯ Black – No Returns
⎯ Green – Weak Returns
⎯ Yellow – Moderate Returns
⎯ Red – Heavy Returns
⎯ Magenta – Intense Returns
Part No. 06-122204 Issued: PRELIMINARY
7-4 Original Issue
ECLIPSE AVIATION SECTION 7
EA500 DESCRIPTION AND OPERATIONS
WxA Colors:
Colors are the same as Wx except Intense areas of storms flash
between magenta and black at a 1 HZ rate.
Map Colors:
⎯ Green – Weak Returns
⎯ Yellow – Moderate Returns
⎯ Magenta – Intense Returns
Crew Alerting System Messages
Message Condition Category
RADAR F A IL
RADAR CONTROL
RADAR NO DATA
STA B OFF
STA B LI MI T
RANGE DISAGREE
MODE DISAGREE
RAD TGT
Failure of Transmitter,
Receiver, or Antenna
Control
Loss of link between
L or R PFD and
Weather Radar .
With WxR in any mode
but OFF, and data is
lost between L or R
PFD and Weather
Radar.
Loss of stabilization
data or stabilization
commanded OFF.
Stabilization has
reached it's limit.
Range and HIS
disagree.
After 10 seconds,
reported function &
mode does not match.
Detected weather
beyond range selected
Caution
Caution
Caution
Advisory
Status
Caution
Caution
Advisory
Figure 7-3. CAS Messages
Issued: PRELIMINARY Part No. 06-122204
Original Issue 7-5
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