Using xm satellite weather products, Hazard avoidance – Garmin G1000 King Air C90GT User Manual

Page 307

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190-00663-01 Rev. A

Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT

293

HAZARD AVOIDANCE

SY

STEM

O

VER
VIEW

FLIGHT

INSTRUMENTS

EIS

AUDIO P

ANEL

& CNS

FLIGHT

MANA

GEMENT

HAZARD

AV

OID
ANCE

AFCS

ADDITIONAL

FEA
TURES

APPENDICES

INDEX

USING XM SATELLITE WEATHER PRODUCTS

The primary map for viewing XM Weather data is the Weather Data Link Page in the Map Page Group. This

is the only G1000 map display capable of showing information for all available XM weather products.

Viewing the Weather Data Link Page:

1)

Turn the large FMS Knob to select the Map Page Group.

2)

Turn the small FMS Knob to select the Weather Data Link Page.

NEXRAD

Weather

Product Age

and Legend

Figure 6-2 Weather Data Link Page

NEXRAD

Weather Product

Display Enabled

NEXRAD Weather

Product Selected

for Display

When a weather product is active on the Weather Data Link Page or the Navigation Map Page, the age of the

data is displayed on the screen (Figure 6-2). The age of the product is based on the time difference between
when the data was assembled on the ground and the current GPS time. Weather products are refreshed at
specific intervals (defined in the Refresh Rate column in Table 6-1).

If for any reason, a weather product is not refreshed within the 30-, 60-, 90-, or 180 minute Expiration Time

intervals (see Table 6-1), the data is considered expired and is removed from the display. This ensures that the
displayed data is consistent with what is currently being broadcast by XM Satellite Radio services. If more than
half of the expiration time has elapsed, the color of the product age displayed changes to yellow.

Table 6-1 shows the weather product symbols, the expiration time and the refresh rate. The refresh rate

represents the interval at which XM Satellite Radio broadcasts new signals that may or may not contain new
weather data. It does not represent the rate at which weather data is updated or new content is received by the
Data Link Receiver. Weather data is refreshed at intervals that are defined and controlled by XM Satellite Radio
and its data vendors.

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