12-43190-01007-03 Rev. C
GTN 725/750 Pilot’s Guide
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
12.4 GWX Radar Operation in Weather Mode
WARNING: Begin transmitting only when it is safe to do so. When
transmitting while the aircraft is on the ground, no personnel or objects
should be within 11 feet of the antenna.
CAUTION: In Standby mode, the antenna is parked at the center line. It
is always a good idea to put the radar in Standby mode before taxiing the
aircraft to prevent the antenna from bouncing on the bottom stop and
possibly causing damage to the radar assembly.
When the weather radar system is in the Weather or Ground Map mode, the
system automatically switches to Standby mode on landing.
Tilt
Show Bearing
Mode
Scan
Sector Scan
Gain
Off Standby Weather Ground Test
Horizontal Vertical
Bearing
20 40 60 90 (GWX 70) Full
Turbulence
Detection (GWX 70)
GCS (GWX 70)
ACT (GWX 70)
Watch Shading
Weather Alert
Stabilize
Figure 12-53 Weather Radar Functional Diagram
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