Garmin G500 Pilot's Manual page 176

Cell Movement Data Viewing Range
The Cell Movement Data Viewing Range option allows you to select the map
range and below where Cell Movement weather products will appear on the
selected MFD Wx Data Link Map page (1, 2, or 3). When Off is selected, Cell
Movement will not be shown. In the figure below where 300 NM is selected,
Cell Movement data will be shown at map ranges of 300 NM and lower.
Figure 4-35 Cell Movement Viewing Range Selection
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Garmin G500 Pilot's Guide 190-01102-02 Rev. B