ix
Introduction
View Loaded ................................................................. 77
Load to Map .................................................................. 77
Airport Surface Charts ......................................................... 78
Viewing Surface Charts ................................................. 78
Operational Considerations ................................................. 79
When to Load a Chart ................................................... 79
Flying an Approach ........................................................ 79
Approach to Surface Map Transitions ............................. 79
Chart NOTAMS .............................................................. 79
Important System Limitations ......................................... 79
Invert Option ................................................................. 79
Typical Operational Scenario ................................................ 80
Typical Taxi Scenario ....................................................... 80
Typical Take Off Scenario ................................................ 80
Typical Approach Scenario ............................................. 80
Typical Landing Scenario ................................................ 80
Radar (RADAR) Function ...............................................................81
Off Mode ...................................................................... 81
Standby/On Mode ........................................................ 81
Test Mode .................................................................... 82
Weather Mode ............................................................. 82
MAP Mode .................................................................... 82
Manual Gain (GWX 68 only) .......................................... 82
Horizontal Mode ........................................................... 82
Vertical Mode (GWX 68 and ART2000/2100 only) ......... 82
Range Control ............................................................... 83
Tilt Control .................................................................... 83
Bearing Control (GWX 68/ART2000/2100 only) ............. 83
Gain Control ................................................................. 83
Hold Control ................................................................. 84
Cursor Pre-Select Operation (GWX 68 and ART2000/2100 only)
..................................................................................... 84
Sector Scan (GWX 68 only) ............................................ 85
Radar Setup Page ................................................................ 85
Stabilization (STAB) ........................................................ 85
Garmin GWX 68 Radar Description ..................................... 87
Principles of Pulsed Airborne Weather Radar .................. 87
Radar Signal Attenuation ............................................... 88
Radar Signal Reflectivity ...................................................... 89
Precipitation .................................................................. 89
Ground Returns ............................................................. 89
Angle of Incidence ......................................................... 90
Operating DISTANCE ........................................................... 90
MAXIMUM PERMISSIBLE EXPOSURE LEVEL (MPEL) .............. 90
Antenna Tilt Setup at Cruise Altitude .................................. 91
Weather Mapping and Interpretation .................................. 92
Weather display Interpretation ....................................... 92
Thunderstorms .............................................................. 92
Tornadoes ...................................................................... 94
Hail ............................................................................... 94
XM Satellite Radio (XM) Function ................................................95
Menu Page 1 ...................................................................... 96
Radio ID ........................................................................ 96
Save Preset .................................................................... 97
Last Channel ................................................................. 97
Menu Pages 2-4 .................................................................. 97
Volume ............................................................................... 98
Mute ............................................................................. 98
Channels ............................................................................. 98
Categories .......................................................................... 99
Direct Access ....................................................................... 99
Activating XM Satellite Radio Services ................................ 100
Gather Information ...................................................... 100
XM Advisory Messages ...................................................... 101
System (SYS) Function ................................................................102
System Nav Pages ............................................................. 102
Ownship Symbol ........................................................ 102
Lat/Lon Format ............................................................ 102
Set Baro Correction Units(Pressure Altitude Source only) 102
Set Baro Correction (Pressure Altitude Source only) ...... 102
Display Latitude/Longitude Lines ................................. 102
Initial En Route Zoom Scale, Initial Ground Zoom Scale, and
Transition Speed ..................................................... 103
Slave Zoom to GPS Zoom ............................................ 103
AutoLoad Electronic Charts .......................................... 103
Altitude Units .............................................................. 104
Map Detail .................................................................. 104
System Info Page ............................................................... 104
System Information ..................................................... 104
Port Status ................................................................... 104
Additional Features ...................................................... 104
Data Link Status ......................................................... 104
System Test Pages ............................................................. 105
Test Pattern 1 .............................................................. 105
Red, Green, Blue, White, and Black Test Patterns ......... 105
Test Pattern 2 .............................................................. 106
Troubleshooting .........................................................................107
GDL 69/69A FIS Legends ............................................................109
Sample GDL 69/69A FIS Displays ................................................110
Specifications .............................................................................111
Physical Specifications ....................................................... 111
Power ............................................................................... 111
Environmental ................................................................... 111
Care Information ........................................................................112
Cleaning the Unit .............................................................. 112
Contacting the Factory ...................................................... 112
Table of Contents