Garmin GXM 30 Manuale Proprietario
GXM 30A XM Radio Smart Antenna Owner’s Manual
Lightning
Lightning strikes are represented by lightning bolt icons, as shown in the images below. Lightning appears on the map if strikes
were detected within the last seven minutes. The ground-based lightning detection network only detects cloud-to-ground lightning.
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Lightning bolts indicate a
cloud-to-ground lightning
strike.