Garmin GTN 625 Pilot's Manual page 366

11.1.4
Foreword
When a weather product is active on the Map function or the Weather Data
Getting
Link function is selected, the age of the data is displayed on the screen. The age
Started
of the data may not indicate the time between the current GPS time and the time
Audio &
when the data is assembled, but rather a general indication of the time elapsed
Xpdr Ctrl
from when the data is received by the GTN.
Com/Nav
Updated weather data may or may not contain new weather data. Weather
data is refreshed at intervals that are defined and controlled by SiriusXM Radio
FPL
Inc. and its data vendors.
If for any reason, a weather product is not refreshed within the designated
Direct-To
intervals, the data is considered expired and is removed from the display.
This ensures that the displayed data is consistent with what is currently being
Proc
broadcast by SiriusXM Radio. If more than half of the designated time has
Wpt Info
elapsed from the time the data is received, the color of the product age displayed
changes to yellow.
Map
WARNING: Do not use the indicated data link weather product age to
determine the age of the weather information shown by the data link
Traffic
weather product. Due to time delays inherent in gathering and processing
weather data for data link transmission, the weather information shown by
Terrain
the data link weather product may be significantly older than the indicated
weather product age.
Weather
The expiration time is an elapsed time after which the data is considered
Nearest
expired and is removed from the display. This ensures that the displayed data
is consistent with what is currently being broadcast by SiriusXM Radio. If more
Services/
Music
than half of the expiration time has elapsed from the time the data is received,
the color of the product age displayed changes to yellow.
Utilities
The SiriusXM Weather broadcast interval is the time interval when SiriusXM
System Satellite Radio broadcasts new signals that may or may not contain new weather
data. Weather data is broadcast at intervals that are defined and controlled by
Messages
SiriusXM Radio.
NOTE: SiriusXM Weather does not provide a timestamp for AIRMETs,
Symbols
SIGMETs, City Forecasts, County Warnings, Cell Movement and TFR
products. Therefore, the unit does not display a product age indication for
Appendix
these products.
Index
11-6
SiriusXM Product Age
GTN 625/635/650 Pilot's Guide 190-01004-03 Rev. P