Garmin Cirrus Perspective SR20 Pilot's Manual page 340

HAZARD AVOIDANCE
4) Select the desired forecast time: CURRENT, 12 HR, 24 HR, 36 HR, or 48 HR. The SFC Softkey label changes
to reflect the forecast time selected.
To display the Surface Analysis and City Forecast legend (Figure 6-29), select the LEGEND Softkey when
Surface Analysis and City Forecast are selected to be displayed.
FREEZING LEVELS
Freezing Level data shows the color-coded contour lines for the altitude and location at which the first
isotherm is found (Figure 6-30). When no data is displayed for a given altitude, the data for that altitude has
not been received, or is out of date and has been removed from the display. New data appears at the next
update.
Displaying Freezing Level information:
1) Select the Weather Data Link (XM) Page.
2) Select the MORE WX Softkey.
3) Select the FRZ LVL Softkey.
Cirrus Perspective
326
Figure 6-29 Surface Analysis Legend
Figure 6-30 Freezing Level Data
by Garmin – Pilot's Guide for the SR20/SR22SR22T
™
190-00820-08 Rev. A