Adjusting Gain - Garmin GTN 725 Pilot's Manual

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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.
Numeric Adjusted
Gain Value
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.
190-01007-03 Rev. D
Relative Adjusted
Gain Value
Touch To Adjust Gain
Figure 12-61 Gain Adjustment
Garmin GTN 725/750 Pilot's Guide
Touch to Return
to Calibrated Gain
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Appendix
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