12-49190-01007-03 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
12.4.6 Adjusting Gain
Gain is used to adjust the sensitivity of the radar receiver. It can be used to
adjust the characteristics of the returns from the surface.
WARNING: Changing the gain in weather mode will cause precipitation
intensity to be displayed as a color not representative of the true intensity.
Remember to return the gain setting to : “Calibrated” for viewing the
actual intensity of precipitation.
1. While viewing the WX Radar page touch the GAIN key. The
Gain Adjustment Bar will be displayed.
Touch to Return
to Calibrated Gain
Touch To Adjust Gain
Relative Adjusted
Gain Value
Numeric Adjusted
Gain Value
Figure 12-61 Gain Adjustment
2. Touch the Gain Adjustment arrow keys to change the gain.
3. Touch Back to save the values and return to the Radar display.
Restore Calibrated Gain
1. While viewing the WX Radar page touch GAIN to display the
Gain adjustment window.
2. Touch the SET TO CALIBRATED key. This will restore the
calibrated gain.
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