Garmin aera 796 Pilot's Manual page 100

Hazard Avoidance
METAR Selected with Map Pointer
Map
Feature
Button
METAR Data (Map) Additional METAR Data
The METAR flag color is determined by the information in the METAR text.
VFR (ceiling greater than 3000 feet AGL and visibility greater than 5
miles)
Marginal VFR (ceiling 1000-3000 feet AGL and/or visibility 3-5 miles)
IFR (ceiling 500 to below 1000 feet AGL and/or visibility 1 mile to less
than 3 miles)
Low IFR (ceiling below 500 feet AGL or visibility less than 1 mile)
METAR text does not contain adequate information to determine
flight conditions
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Garmin aera 795/796 Pilot's Guide 190-01194-00 Rev. A