Garmin GXM 30 GXM 30 Owner's Manual for Marine/Aviation Products - Page 15

Lightning, Lightning strikes are represented by lightning bolt icons

Page 15 highlights

XM WEATHER FEATURES > LIGHTNING 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. Lightning bolts indicate a cloud-to-ground lightning strike. GXM 30 XM Radio Smart Antenna Owner's Manual 8

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GXM 30 XM Radio Smart Antenna Owner’s Manual
8
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.
XM W
EATHER
F
EATURES
>
L
IGHTNING
Lightning bolts indicate a
cloud-to-ground lightning
strike.