Garmin GTN 625 Pilot's Manual page 419

11.4.8 Graphical AIRMETs
Graphical AIRMETs (G-AIRMETs) display more weather phenomena than
textual AIRMETs, while eliminating the need to interpret raw text. Updates
occur four times daily. Filtering options allow you to mitigate page clutter.
Forecast Settings
Current (Auto): Displays active graphical records based on the current
UTC. The function automatically switches from 0 hr to 3 hr forecasts.
All Forecasts: Displays the most recent, non-expired graphical records.
Off: Turns the G-AIRMETs product off.
Forecast Periods are 0 hr, 3 hr, and 6 hr.
Filter Settings
Filters include: Freezing Level, Icing, IFR, Low-level Wind Shear, Mountain
Obscuration, Surface Winds, and Turbulence.
190-01004-03 Rev. P
Figure 11-90 FIS-B G-AIRMET Forecast Settings
Figure 11-91 FIS-B G-AIRMET Filters
GTN 625/635/650 Pilot's Guide
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11-59