Garmin 010-00730-00 User Manual
GXM 40
XM® Radio Smart Antenna
owner’s manual
© 2008 Garmin Ltd. or its subsidiaries
Garmin International, Inc.
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Olathe, Kansas 66062, USA
Tel. (913) 397.8200 or (800) 800.1020
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express permission of Garmin. XM® and XM WX® are a registered trademarks of XM Satellite Radio Inc.
July 2008 Part Number 190-00942-00 Rev. A Printed in Taiwan
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Introduction
Introduction
The GXM 40 XM Radio Smart Antenna provides marine
and aviation XM WX® Weather information for viewing
on your Garmin® unit. Operating the GXM 40 requires a
subscription to the XM WX Satellite Weather service. The
GXM 40 also offers music, news, and talk programming
with a subscription to the XM Radio service. XM
subscriptions are sold separately.
This manual covers the XM WX Weather and XM Radio
features of the GXM 40 when viewed on a Garmin unit.
To get the most out of your new system, take the time to
go through this manual and the Owner’s Manual for your
unit. This manual discusses how to connect the GXM 40
and how to subscribe to XM WX Weather and XM Radio
services, and provides detailed information about weather
and audio features. Operational procedures are found in the
Owner’s Manual for your unit.
GXM 40 Owner’s Manual 1
Manual Conventions
This manual refers to the GXM 40 XM Radio Smart
•
Antenna as the GXM 40.
All Garmin products that are compatible with the
•
GXM 40 are referred to as “Garmin unit” throughout this
manual.
The gray tabs on the edge of each page indicate the types
•
of Garmin units for which each XM product is available:
for aviation units, for marine units, and
for automotive units.
Product Registration
Help us better support you by completing our online
registration today! Connect to our Web site at
http://my.garmin.com. Keep the original sales receipt,
or a photocopy, in a safe place.
Introduction
Serial Number for the GXM 40
Use the line below to record the serial number in case it is
lost, is stolen, or needs service. The serial number is located
on the bottom of your unit. Keep your original sales receipt
in a safe place or attach a photocopy inside the manual.
Serial Number:
WARNING: When Navigating in an aircraft, use the GXM
40 only as an aid for VFR navigation.
WARNING: Use the GXM 40 only as a navigational
aid. Do not attempt to use the GXM 40 for any purpose
requiring precise measurement of direction, distance,
location, or topography. This product should not be used to
determine ground proximity for aircraft navigation.
WARNING: This unit provides the ability to receive
weather information through XM data. Use weather data
Warnings
WARNING: When installing the GXM 40 in a vehicle,
place the unit securely so that it does not interfere with
vehicle operating controls or obstruct the driver’s view
(see diagram).
Do not place
Do not mount where
Do not mount where
driver’s eld of vision
driver’s eld of vision
is blocked.
is blocked.
Do not mount in front of an
2 GXM 40 Owner’s Manual
Do not mount in front of an
airbag eld of deployment.
airbag eld of deployment.
Do not place
unsecured on the
unsecured on the
vehicle dashboard.
vehicle dashboard.
only as an aid to situational awareness. Such weather
information is merely supplemental and advisory in nature
and is not intended to be relied upon as safety-critical
information in connection with any aviation, vehicle, or
marine usage. The user should always exercise caution
and common sense when confronted with severe weather
conditions.
WARNING: XM WX Weather should not be used for
hazardous weather penetration. Weather information is
approved only for weather avoidance, not penetration.
WARNING: This product, its packaging, and its
components contain chemicals known to the State of
California to cause cancer, birth defects, or reproductive
harm. This Notice is provided in accordance with
California’s Proposition 65. See www.garmin.com/prop65
for more information.
Introduction
GXM 40 Owner’s Manual 3
Introduction
Table of Contents
Introduction ................................................................1
Manual Conventions ....................................................... 1
Product Registration ....................................................... 1
Warnings ........................................................................ 2
Getting Started ...........................................................5
Connecting the GXM 40 to a Garmin Unit ...................... 6
Subscribing to XM Services ........................................... 7
XM WX Weather Features .........................................8
Displaying Weather Information ..................................... 8
METAR ........................................................................... 9
AIRMET ........................................................................ 10
SIGMET .........................................................................11
TFR .............................................................................. 12
TAF ............................................................................... 13
Winds ........................................................................... 14
NEXRAD Radar ............................................................ 16
Satellite Mosaic ............................................................ 17
Echo Tops ..................................................................... 18
Surface Pressure .......................................................... 19
Lightning ....................................................................... 20
Storm Cells ................................................................... 21
4 GXM 40 Owner’s Manual
Freezing Level .............................................................. 22
Forecast ....................................................................... 22
Fronts ........................................................................... 23
Hurricanes .................................................................... 24
County Warnings .......................................................... 25
XM Radio ...................................................................... 26
Visibility......................................................................... 27
Water Temperature ....................................................... 28
Wave Period ................................................................. 28
Wave Direction ............................................................. 29
Wave Height ................................................................. 29
Marine Warnings .......................................................... 30
Buoy Reports ................................................................ 31
Appendix ..................................................................32
GXM 40 Specications ................................................. 32
Feature Broadcast Rates ............................................. 33
NEXRAD Overview ...................................................... 34
FCC Compliance .......................................................... 36
Limited Warranty .......................................................... 36
Software License Agreement ....................................... 39
XM Satellite Radio Service Agreement ........................ 39
TFR Data ...................................................................... 42
Index .........................................................................43
Getting Started
Getting Started
Unit Care
Cleaning – The case for the unit is constructed of high-quality material
and does not require user maintenance other than cleaning. Clean the
unit housing using a lightly-dampened cloth with a mild detergent
solution and then wipe it dry. Avoid chemical cleaners and solvents that
may damage plastic components. Do not apply cleaner to the electrical
contacts on the front of the unit.
Storage – Do not store the GXM 40 where exposure to extreme
temperatures may occur, as permanent damage may result.
Servicing Your Unit
The Garmin GXM 40 has no user-serviceable parts. Should you ever
encounter a problem with your unit, take it to an authorized Garmin
dealer for repairs, or contact Garmin Product Support at 1-800-800-1020.
The GXM 40 is fastened shut with screws. Any attempt to open the case
to change or modify the unit in any way voids your warranty and may
result in permanent damage to the equipment.
GXM 40 Owner’s Manual 5
GXM 40 Radio Smart Antenna
GXM 40 Radio Smart Antenna
USB Connector
USB Connector
Mounting Holes
Mounting Holes
Getting Started
Connecting the GXM 40 to a Garmin Unit
Position the GXM 40 where it has a clear view of the sky, for example, on the outside of the vehicle or behind the
windshield of the vehicle. Connect the GXM 40 to the USB port on the Garmin unit.
6 GXM 40 Owner’s Manual
Getting Started
Subscribing to XM Services
With the GXM 40 connected to your Garmin unit, contact
XM Satellite Radio to activate your XM WX Weather
service, your XM Radio service, or both.
Step 1: Check the system setup
Ensure that the GXM 40 is connected to your Garmin
unit.
Step 2: Turn on your system
Place the GXM 40 where it has a clear view of the sky
and turn on your Garmin unit. This automatically turns on
the GXM 40.
Step 3: Set up the XM account
Ensure that your XM WX Weather ID and your XM Radio
ID are readily available. Contact XM Satellite Radio by
phone at (800) 985-9200. After receiving the required
information from you, the XM representative activates
the account and sends out an XM signal to activate the
GXM 40. You can also activate your account by visiting
https://xmro-secure.xmradio.com/listenercare/login2.xm.
For answers to other XM questions, call the above
number or visit www.xmwxweather.com.
GXM 40 Owner’s Manual 7
Step 4: Conrm all components of your service
package
XM WX Weather: Keep your Garmin unit turned on to
ensure that you receive the XM signal. The XM signal
is being received when the components of the selected
service package are displayed in the Weather Products
list. Do not turn off the Garmin unit until the name of the
selected service package is displayed in the Service
Level eld.
XM Radio: Verify that channels 7, 9, 47, and 122 are
being received. This indicates that all channels of the
XM basic radio service are being received. If the XM
WX Weather or the XM Radio service has not activated
within an hour, call XM WX customer care at (800) 985-
9200 to verify the activation of your XM services. The
customer-care representative can refresh the activation
signal or you can do this yourself at www.xmradio.com
/refresh by entering your radio ID where requested.
Step 5: Save the service package
After the service package name appears in the Service
Level eld, turn off the Garmin unit.
XM WX Weather Features
XM WX Weather Features
Displaying Weather Information
The GXM 40 receives XM WX Weather data and shows
it on the Map and Weather pages of the Garmin unit. The
weather data for each feature comes from reputable weather
data centers such as the National Weather Service and the
Hydrometerological Prediction Center. (See the XM WX
Satellite Weather Web site at http://weather.xmradio
.com/weather for more information.) Any weather feature
can change in appearance or interpretation if the source that
provides the information changes. XM WX Weather data
is broadcast at set rates (see page 33 for all weather-related
broadcast rates). For example, NEXRAD Radar data is
broadcast at ve-minute intervals. When the Garmin unit
is turned on or when a new feature is selected, the GXM
40 has to receive new data before it can be displayed. You
can experience a delay before weather data or a new feature
appears on the map.
8 GXM 40 Owner’s Manual
XM WX Weather Features
METAR
A METAR or METeorological Aeronautical Report is an international code used for reporting weather observations. If
METAR data is available for an airport, a color-coded ag is shown next to the airport. To view the METAR data, select the
ag with the map pointer.
VFR (ceiling greater than 3000 ft. AGL and
VFR (ceiling greater than 3000 ft. AGL and
visibility greater than ve miles)
visibility greater than ve miles)
Marginal VFR (ceiling 1000–3000 ft. AGL
Marginal VFR (ceiling 1000–3000 ft. AGL
and/or visibility three to ve miles)
and/or visibility three to ve miles)
IFR (ceiling 500 to below 1000 ft. AGL and/or
IFR (ceiling 500 to below 1000 ft. AGL and/or
visibility one mile to less than three miles)
visibility one mile to less than three miles)
Low IFR (ceiling below 500 ft. AGL or visibility
Low IFR (ceiling below 500 ft. AGL or visibility
less than one mile)
less than one mile)
Undetermined
Undetermined
METAR Selected With Map Pointer
METAR Selected With Map Pointer
METAR Detailed Information
METAR Detailed Information
GXM 40 Owner’s Manual 9
XM WX Weather Features
AIRMET
An AIRMET or AIRman’s METeorological Information can potentially affect all aircraft. This data can be especially
helpful for pilots of light aircraft that have limited ight capability or instrumentation. An AIRMET must affect or be
forecast to affect an area of at least 3,000 square miles at any one time. AIRMETs are routinely issued for six-hour periods
and are amended as necessary due to changing weather conditions or the issuance or cancellation of a SIGMET (SIGnicant
METeorological Forecast). AIRMETs are displayed as an colored, dashed line.
AIRMET Sierra (IFR) (purple): Ceilings less than 1,000 feet and/or visibility less than three miles affecting over 50% of
•
the area at one time. Extensive mountain obscuration.
AIRMET Tango
•
(Turbulence) (orange):
Moderate turbulence.
Sustained surface winds
of 30 knots or more at the
surface.
AIRMET Zulu (Icing)
•
(blue): Moderate icing.
Freezing levels.
AIRMET Selected
AIRMET Selected
With Map Pointer
With Map Pointer
AIRMET Detailed Information
AIRMET Detailed Information
10 GXM 40 Owner’s Manual
SIGMET
A SIGMET (SIGnicant METeorological Forecast) advises
of weather that is potentially hazardous to all aircraft. In the
contiguous United States, the following items are covered:
severe icing, severe or extreme turbulence, volcanic ash,
dust storms, and sandstorms that lower visibility to less than
three statute miles.
A Convective SIGMET is issued for the following
conditions: thunderstorms, isolated severe thunderstorms,
embedded thunderstorms, hail at the surface, and tornadoes.
A SIGMET is widespread and must affect or be forecast to
affect an area of at least 3,000 square miles. SIGMETs are
displayed as a yellow-dashed line. To view SIGMET data,
select the SIGMET using the map pointer.
XM WX Weather Features
SIGMET Selected With Map Pointer
SIGMET Selected With Map Pointer
SIGMET Detailed Information
SIGMET Detailed Information
GXM 40 Owner’s Manual 11
XM WX Weather Features
TFR
A Temporary Flight Restriction (TFR) temporarily restricts all aircraft from entering the selected airspace unless a waiver
has been issued. TFRs are routinely issued for occurrences such as sporting events, dignitary visits, military depots and
forest res. TFRs are represented as an area highlighted by red (active) or yellow (not yet active). To view information about
the TFR, select it with the map pointer.
TFR Selected With Map Pointer TFR Detailed InformationTFR Selected With Map Pointer TFR Detailed Information
12 GXM 40 Owner’s Manual
TAF
Terminal Aerodrome Forecasts are issued by the National
Weather Service for pilots. They include 24-hour forecasts
on wind, visibility, expected weather conditions, and wind
shear.
Terminal Aerodrome ForecastTerminal Aerodrome Forecast
XM WX Weather Features
GXM 40 Owner’s Manual 13
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