RADAR SYSTEM PILOT’S MANUAL, HONEYWELL PUB.
NO. A28–1146–111
REVISION NO. 3 DATED AUGUST 2003
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Printed in U.S.A.Pub. No. A28–1146–111–03February 1998
Revised August 2003
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This document and the information disclosed herein are proprietary
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DISCLOSURE OF CONFIDENTIAL INFORMATION GENERALLY
(18 USC 1905)
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S2003
ASSOCIATE
MEMBER
E
Member of GAMA
General Aviation
Manufacturer’s Association
PRIMUS and LASEREF are U.S. registered trademarks of Honeywell
DATA NAV is a U.S. trademarks of Honeywell
E2003 Honeywell International Inc.
PRIMUSR 660 Digital Weather Radar System
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PRIMUSR 660 Digital Weather Radar System
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A28–1146–111
Record of T emporary Revisions
REV 2RTR–1/(RTR–2 blank)
PRIMUSR 660 Digital Weather Radar System
List of Effective Pages
Original0. . . . Feb 1998
Revision1. . . . Aug 1999
Revision2. . . . Dec 1999
Revision3. . . . Aug 2003
Subheading and Page RevisionSubheading and Page Revision
Title PageH3
Record of Revisions
RR–1/RR–2H3
Record of Temporary Revisions
RTR–1/RTR–20
List of Effective Pages
LEP–1H3LEP–2H3LEP–3/LEP–4H3
Table of Contents
TC–10
TC–21
TC–31
TC–41
TC–51
TC–61
TC–7/TC–81
Introduction
1–10
1–20
System Configurations
2–10
2–20
2–30
2–40
2–5/2–60
The PRIMUSR 660 Digital Weather Radar System is a lightweight,
X–band digital radar with alphanumerics designed for weat her detection
(WX) and ground mapping (GMAP).
The primary purpose of the system is to detect storms along the
flightpath and give the pilot a visual indication in color of their rainfall
intensity . After proper evaluation, the pilot can chart a course to avoid
these storm areas.
WARNING
THE SYSTEM PERFORMS THE FUNCTIONS OF
WEATHER DETECTION OR GROUND MAPPING. IT SHOULD
NOT BE USED NOR RELIED UPON FOR PROXIMITY
WARNING OR ANTICOLL IS I O N PRO T E CT I O N.
In weather detection mode, storm intensity levels are displayed in
four bright colors contrasted against a deep black background.
Areas of very heavy rainfall appear in magenta, heavy rainfall in red,
less severe rainfall in yellow, moderate rainfall in green, and little or no
rainfall in black (background). If selected at installation, the antenna
sweep position indicator is a yellow band at the top of the display.
Range marks and identifying numerics, displayed in contrasting colors,
are provided to facilitate evaluation of storm cells.
Selection of the GMAP function causes the system parameters to be
optimized to improve resolution and enhance identification of
small targets at short ranges. The reflected signal from ground
surfaces is displayed as magenta, yellow, or cyan (most to least
reflective).
NOTE:Section 5, Radar Facts, describes a variety of radar operating
topics. It is recommended that you read Section 5, Radar
Facts, before learning the specific operational details of the
PRIMUSR 660 Digital Weather Radar System.
A28–1146–111
REV 21-1
Introduction
PRIMUSR 660 Digital Weather Radar System
The radar indicator is equipped with the universal digital interface (UDI).
This feature expands the use of the radar indicator to display
information such as checklists, short and long range navigation
displays (when used with a Honeywell DATA NAVt system) and
electrical discharge data from Honeywell’s LSZ–850 Lightning Sensor
System (LSS).
NOTE:Refer to Honeywell Pub. 28–1146–54, LSZ–850 Lightning
Sensor System Pilot’s Handbook, for more information.
Introduction
1-2
A28–1146–111
REV 2
PRIMUSR 660 Digital Weather Radar System
2.System Configurations
The PRIMUSR 660 Digital Weather Radar System can be operated in
many configurations to display weather or ground mapping information
on a radar indicator, electronic flight instrument system (EFIS) display,
multifunction display (MFD), or on a combination of these displays. The
various system configurations are summarized in the following
paragraphs and shown in figure 2–1.
NOTE:Other configurations are possible but not illustrated.
The stand–alone configuration consists of two units: receiver
transmitter antenna (RTA), and a dedicated radar indicator. In this
configuration, the radar indicator contains all the controls to operate the
PRIMUSR 660 Digital Weather Radar System. A single or dual
Honeywell EFIS can be added to the stand–alone configuration. In such
a case the electronic horizontal situation indicator (EHSI) repeats the
data displayed on the radar indicator. System control remains with
the radar indicator.
The second system configuration uses an RTA, and single or dual
controllers. The single or dual EFIS is the radar display. Since there is
no radar indicator in this configuration, the radar system operating
controls are located on the controller. With a single controller, all cockpit
radar displays are identical.
The dual configuration gives the appearance of having two radar
systems on the aircraft. In the dual configuration, the pilot and copilot
each select independent radar mode, range, tilt, and gain settings for
display on their respective display. The dual configuration time shares
the RTA. On the right–to–left antenna scan, the system switches to the
mode, range, tilt, and gain selected by the left controller and updates
the left display. On the reverse antenna scan, the system switches to
the mode, range, tilt, and gain setting selected by the right controller
and updates the right display. Either controller can be slaved to the
other controller to show identical images on both sides of the cockpit.
A28–1146–111
REV 22-1
System Configurations
PRIMUSR 660 Digital Weather Radar System
NOTES: 1.When W AIT, SECTOR SCAN, or FORCED STANDBY
are activated, the radar operates as if in single
controller configuration. This is an exception to the
ability of each pilot to independently select modes.
2.In the dual configuration, the pilots can use the slave
feature to optimize the update rate of each side’s
weather radar display to meet the needs of the
situation. With one controller turned off, both cockpit
displays are updated on every sweep of the radar, but
control of the radar is only on one side. With each
controller operating, each side has control but each
side is updated with new radar information on every
other sweep of the antenna.
System Configurations
2-2
PRIMUSR 660 Configurations
Figure 2–1
OFF OFF
RCT
PULL
STBYFP
VAR
MAXMIN
OFF OFF
RCT STAB TGT SECT
PULL
STBYFP
VAR
MAXMIN
STAB
TGT SECT
GMAPWX
TESTOFF
GMAPWX
TESTOFF
A28–1146–111
PULL
ACT
0
TILTSLVRADARGAIN
PULL
ACT
0
TILTSLVRADARGAIN
+
15
–
+
15
–
REV 2
PRIMUSR 660 Digital Weather Radar System
The third system configuration is similar to the second except that a
Honeywell multifunction display (MFD) system is added. As before,
single or dual controllers can be used. When a single controller is used,
all displays show the same radar data. Dual controllers are used to
operate in the dual mode. The MFD can be slaved to either controller
to duplicate the data displayed on the selected side. Table 2–1 is a truth
table for dual control modes.
Left
Controller
Mode
Right
Controller
Mode
Left Side
(NOTE 1)
Right Side
(NOTE 1)
Mode
OFFOFFOFFOFFOFF
OFFStandby”SLV”
StandbyStandby
Standby
StandbyOFFStandby”SLV”
Standby
Standby
OFFON”SLV” ONONON
ONOFFON”SLV” ONON
StandbyONStandby/
ON/2ON
2
ONStandbyON/2Standby/2ON
ONONON/2ON/2ON
StandbyStandbyStandbyStandbyStandby
Dual Control Mode Truth Table
Table 2–1
NOTES: 1.ON is used to indicate any selected radar mode.
2.“SL V” means that displayed data is controlled by
opposite side cont roller. That is, the one controller that
is operating is controlling bot h sweeps of the antenna.
3.XXX/2 means that display is controlled by appropriate
on–side control for the antenna sweep direction
associated wit h that control. (/2 implies two controllers
are ON.)
4.In standby, the RTA is centered in azimuth with 15_
upward tilt. Video data is suppr essed. The transmitter
is inhibited.
5.The MF D, if used, can repeat either left– or right–side
data, depending upon external switch selection.
RTA
A28–1146–111
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System Configurations
PRIMUSR 660 Digital Weather Radar System
Equipment covered in this manual is listed in table 2–2 and shown in
figure 2–2.
All controls used to operate the system display shown in figure 3–1, are
located on the WI–650/660 Weather Radar Indicator front panel.
AUTOTILT
2134
T
10
+1.0
50
40
30
20
AD–51769–R1@
Typical PRIMUSR 660 Digital
Weather Radar Display
Figure 3–1
The controls and display features of the WI–650/660 Weather Radar
Indicator are indexed and identified in figure 3–2. Brightness levels for
all legends and controls on the indicator are controlled by the dimming
bus for the aircraft panel.
A28–1146–111
REV 23-1
Operating Controls
PRIMUSR 660 Digital Weather Radar System
WI–650/660 Weather Radar Indicator Front Panel View
Figure 3–2
1WX (WEATHER)
The WX button is used to select the weather mode of operation. When
WX is pushed, the system is fully operational and all internal
parameters are set for enroute weather detection.
Alphanumerics are white, and WX is displayed in the mode field.
If WX is selected prior to the expiration of the initial RTA warm up period,
the white WAIT legend is displayed in the mode field. In wait mode, the
transmitter and antenna scan is inhibited and the memory is erased.
Upon completion of the warmup period, the system automatically
switches to WX mode.
WX can only be selected when the function switch is in the ON position.
2GMP (GROUND MAPPING) OR MAP
GMP button selects the ground mapping mode. The system is fully
operational and all parameters are set to enhance returns from ground
targets.
NOTE:REACT or TGT modes are not selectable in GMP.
Operating Controls
3-2
A28–1146–111
REV 2
PRIMUSR 660 Digital Weather Radar System
WARNING
WEATHER TYPE TARGETS ARE NOT CALIBRATED WHEN THE
RADAR IS IN THE GMAP MODE. BECAUSE OF THIS, DO NOT USE
THE GMAP MODE FOR WEATHER DETECTION.
As a constant reminder the GMP is selected, the alphanumerics are
changed to green, the GMP legend is shown in the mode field, and the
color scheme is changed to cyan, yellow, and magenta. Cyan
represents the least reflective return, yellow is a moderated return, and
magenta is a strong return.
If GMP is selected before the initial RTA warmup period is complete, the
white WAIT legend is shown in the mode field. In wait mode, the
transmitter and antenna scan are inhibited and the memory is erased.
When the warmup period is complete, the system automatically
switches to the GMP mode.
GMP can only be selected when the function switch is in the ON
position.
3RCT (RAIN ECHO ATTENUATION COMPENSATION
TECHNIQUE (REACT))
The RCT switch is an alternate–action switch that enables and
disables REACT.
The REACT circuitry compensates for attenuation of the radar signal
as it passes through rainfall. The cyan field indicates areas where
further compensation is not possible. Any target detected within
the cyan field cannot be calibrated and should be considered
dangerous. All targets in the cyan field are displayed as fourth level
precipitation, magenta.
REACT is available in the WX mode only, and selecting REACT forces
the system to preset gain. When engaged, the white RCT legend is
displayed in the REACT field.
NOTES: 1.REACT’S three main functions (attenuation
compensation, cyan field, and forcing targets to
magenta) are switched on and off with the RCT switch.
2.Refer to Section 5, Radar Facts, for a description of
REACT.
A28–1146–111
REV 23-3
Operating Controls
PRIMUSR 660 Digital Weather Radar System
4TGT (TARGET)
The TGT button is an alternate–action switch that enables and
disables the radar target alert feature. Target alert is selectable in all but
the 300–mile range. When selected, target alert monitors beyond the
selected range and 7.5° on each side of the aircraft heading. If a return
with target alert characteristics is detected in the monitored area, the
target alert legend changes from the green T armed condition to the
yellow TGT warning condition. (See the target alert characteristics in
table 3–1 for a target description.) These annunciations advise the pilot
of potentially hazardous targets directly in front of the aircraft that are
outside the selected range. When a yellow warning is received, the pilot
should select longer ranges to view the questionable target. (Note that
target alert is inactive within the selected range.)
Selecting target alert forces the system to preset gain. Target alert can
be selected only in the WX or FP (flight plan) modes.
NOTE:In order to activate the target alert warning, the target must
have the depth and range characteristics described in table
3–1.
Selected Range
FP (Flight Plan)55–55
Operating Controls
3-4
(NM)
Minimum Target
Depth (NM)
Target Range
(NM)
555–55
10510–60
25525–75
50550–100
1005100–150
2005200–250
300N/AN/A
Target Alert Characteristics
Table 3–1
A28–1146–111
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PRIMUSR 660 Digital Weather Radar System
5DISPLAY AREA
See figure 3–3 and the associated text that explains the alphanumeric
display.
AD–51771@
WI–650/660 Weather Radar Indicator Display Screen Features
Figure 3–3
6FUNCTION SWITCH
A rotary switch is used to select the following functions:
OFF– This position turns off the radar system.
SBY (Standby) – This position places the radar system in standby,
a ready state, with the antenna scan stopped, the transmitter
inhibited, and the display memory erased. STBY, in white, is shown
in the mode field.
If SBY is selected before the initial RTA warmup period is complete
(approximately 90 seconds), the white W AIT legend is shown in the
mode field. When warmup is complete, the system changes the
mode field to SBY.
A28–1146–111
REV 23-5
Operating Controls
PRIMUSR 660 Digital Weather Radar System
Á
Á
Á
ON – Places the system in the operational mode selected by the WX
or MAP (GMP) button. When WX is selected, the system is fully
operational and all internal parameters are set for enroute weather
detection. The alphanumerics are white and WX is shown in the
mode field.
If ON is selected before the initial RTA warmup period is over
(approximately 90 seconds), the white WAIT legend is displayed
in the mode field. In wait mode, the transmitter and antenna scan
are inhibited and the display memory is erased. When the warmup
is complete, the system automatically switches to the WX (or MAP)
mode, as selected.
The system, in preset gain, with WX selected, is calibrated as listed
in table 3–2.
Rainfall Rate
in/hrmm/hr
Color
.04–.161–4Green
.16–.474–12Yellow
.47–212–50Red
> 2
ÁÁÁÁ
>5 0
ÁÁÁ
ББББББББ
Magenta
Rainfall Rate Color Coding
Table 3–2
FP (Flight Plan) – The FP position puts the radar system in the flight
plan mode, that clears the screen of radar data so ancillary data can
be displayed. Examples of this data are:
-Electronic checklists
-Navigation displays
-Electrical discharge (lightning) data.
NOTE:In the FP mode, the radar RTA is put in standby, the
alphanumerics are changed to cyan, and the FLTPLN
(flight plan) legend is shown in the mode field.
Operating Controls
3-6
A28–1146–111
REV 2
PRIMUSR 660 Digital Weather Radar System
The TGT alert mode can be used in the FP mode. With target alert
on and the FP mode selected, the target alert armed annunciation
(green TGT) is displayed. The RTA searches for a hazardous
target from 5 to 55 miles and ±7.5° of the aircraft heading. No radar
targets are displayed. If a hazardous target is detected, the target
alert armed annunciation switches to the alert annunciation (yellow
TGT). This advises the pilot that a hazardous target is in his
flightpath and the WX mode should be selected to view it.
NOTE:The TGT function is inoperative when a checklist is
displayed.
TST (Test) – The TST position selects the radar test mode. A
special test pattern is displayed to verify system operation. The
TEST legend is shown in the mode field. Refer to Section 4, Normal
Operations, for a description of the test pattern.
WARNING
IN THE TEST MODE THE TRANSMITTER IS ON AND RADIATING
X–BAND MICROWAVE ENERGY. REFER TO SECTION 6,
MAXIMUM PERMISSIBLE EXPOSURE LEVEL (MPEL), AND THE
APPENDIX, FEDERAL AVIATION ADMINISTRATION (FAA)
ADVISORY CIRCULARS, TO PREVENT POSSIBLE HUMAN BODY
DAMAGE.
FSBY (FORCED STANDBY)
FSBY is an automatic, nonselectable radar mode. As an installation
option, the indicator can be wired to the weight–on–wheels (WOW)
squat switch. When wired, the RTA is in the FSBY mode when the
aircraft is on the ground. In FSBY mode, the transmitter and antenna
scan are both inhibited, and the forced standby legend is displayed in
the mode field.
The FSBY mode is a safety feature that inhibits the transmitter on the
ground to eliminate the X–band microwave radiation hazard. Refer to
Section 6, Maximum Permissible Exposure Level (MPEL).
When in FSBY mode, you can restore normal operation by pulling the
tilt control out, pushing it in, pulling it out, and pushing it in within three
seconds.
WARNING
STANDBY OR FORCED STANDBY MODE MUST BE VERIFIED
FOR GROUND OPERATION BY THE OPERATOR TO ENSURE
SAFETY FOR GRO UND PERSO NNEL .
A28–1146–111
REV 23-7
Operating Controls
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