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TRB Button
Used to determine if
turbulence is present in WX
mode at 50 NM or less.
STAB ON/OFF Button
Used to enable or disable
antenna stabilization.
TGT Button
Used to detect weather
conditions beyond
selected range.
SECT Button
Used to select either
the normal scan (120°)
or alternate scan (60°).
GAIN Knob
Used to control
receiver gain.
RADAR Rotary Knob
Used to select the following functions:
OFF − Turns the radar system off.
SBY − Selects standby mode, stops
antenna scan and transmitter.
WX − Selects weather radar mode.
RCT − Selects rain echo attenuation
compensation technique.
GMAP − Selects ground mapping
mode.
FP − Selects flight plan mode.
TST − Selects the radar test mode.
Lightning Sensor System (LSS)
(if installed)
Used to select the following LSS
operating modes:
OFF − Turns the LSS off.
SBY − Selects standby mode.
LX − Displays LSS data on MFD.
CLR/TST − Selects test mode.
TILT Knob
Used to select tilt angle.
Clockwise rotation tilts
beam upward to +15°,
counterclockwise tilts the
beam downward to −15°.
SLV Annunciator
Comes on to indicate which
radar is slaved to the primary.
The primary is the first WX
turned on.
GF1710_032
SLV
NAVIGATION
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
CSP 700−5000−6
Volume 2
17−10−22
WEATHER RADAR (WX) (CONT'D)
The weather radar system provides a display of X−band radar detectable areas of precipitation along
and within 60° on either side of the airplane’s flight path. Weather radar returns, turbulence and
lightning (if LSS installed) are displayed on the MFDs (MAP mode only). A range of up to 300 NM
from the airplane is selectable using the up or down buttons on the MFD control panel.
MAP MODE
WX MODE AND STATUS
ANNUNCIATION
LIGHTNING
ANNUNCIATION
WX Radar Range
10 NM
25 NM
50 NM
100 NM
200 NM
300 NM
NOTE
GF1710_033
TOC
KSRP
HDG
315
ETE1+36
12.5
KDVT
NM
FMS1
360
N
50 50
KPHX
LUF
KDVT
TOC KPHX
KDVT KSRP
4000 4000
FL180
WX
T5.0
G85%
LX
SAT
GSPD
−56
TAT
TAS
−40
234
345
30
6
33
3
WX RADAR will
synchronize to whatever
range is displayed on
MFD (on power up).
RADAR ANTENNA
The antenna sweep is selectable for either 120° (60° each side of the airplane) or 60° (30° each
side). The antenna tilt is adjustable between −15° (down) and +15° (up). The antenna maintains its
stabilization with respect to the horizon regardless of the airplane attitude (within −15° to +15°).
GF1710_034
ANTENNA
NAVIGATION
Rev 3, Apr 25, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
17−10−23
MODE SELECTION
The weather radar operating modes, gain and antenna tilt functions are all controlled by the two
radar control panels. Both the pilot and copilot can look at different ranges and tilt settings at the
same time on their respective MFDs.
The weather radar modes and features are as follows:
TRB − Momentarily pressing the TRB button enables the turbulence mode. When this mode is
selected, the radar determines if turbulence is present. TRB can only be engaged in the WX mode
and in selected ranges of 50 NM or less. The weather/turbulence WX/T mode is annunciated in the
status display. Areas of at least moderate turbulence are shown in white.
ANNUNCIATION
N
20 20
TOC KPHX
KDVT KSRP
4000 4000
FL180
WX
G85%
LX
SAT
GSPD
−56
TAT
TAS
−40
234
345
30
6
33
3
GF1710_035
T5.0
STAB − Momentarily pressing the STAB button, holds the elevation of the antenna beam constant at
all azimuths, regardless of airplane bank or pitch maneuvers and relative to the earth’s surface. The
stabilization system uses IRS as a reference. Momentarily pressing the STAB button disables
antenna stabilization and STAB is annunciated in the status display.
TOC KPHX
KDVT KSRP
4000 4000
FL180
WX
G85%
STAB
SAT
GSPD
−56
TAT
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