Garmin G500 Pilot's Manual page 102

NEXRAD Viewing Range
The NEXRAD Viewing Range option selects whether the NEXRAD weather
products is shown on the MFD. NEXRAD weather products will be shown at
and below the selected map range. When Off is selected, NEXRAD weather will
not be shown. Map ranges above the selected value will not show the NEXRAD
weather products. In the example below where 200 NM is selected, the NEXRAD
weather products will be shown at map ranges of 200 NM and lower.
NEXRAD Cell Movement
The NEXRAD Cell Movement option selects whether NEXRAD Cell
Movement is shown on the Navigation Map. NEXRAD Cell Movement will be
shown at and below the selected map range. When Off is selected, NEXRAD Cell
Movement will not be shown. In the example below where 150 NM is selected,
the NEXRAD Cell Movement will be shown at map ranges of 150 NM and lower.
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Figure 3-45 NEXRAD Viewing Range Selection
Figure 3-46 NEXRAD Cell Movement Selection
Garmin G500 Pilot's Guide 190-01102-02 Rev. E