Garmin 21 FM TMC GPS Receiver User Manual


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The Garmin
®
GTM
™
21 FM TMC Traffic Receiver
receives Traffic Message Channel (TMC) information
broadcast over the FM radio data system. When a traffic
message is received, your Garmin GPS device displays
the incident on the map and can change your route to
avoid the traffic incident. For coverage areas, refer to the
Garmin Web site at www.garmin.com/fmtraffic.
NOTE: The FM traffic receiver and GPS
device must be in data range of an FM station
transmitting TMC data to receive traffic
information.
NOTE: Garmin is not responsible for the
accuracy of the traffic information. The FM
traffic receiver simply receives signals from
the traffic service provider and shows that
information on your Garmin GPS device.
Service Information
When you are in an FM TMC service area in the UK, your
GTM 21 receives traffic signals as soon as you connect
it to your Garmin GPS device. You need to be in range
of an FM station transmitting TMC (Traffic Message
Channel) data to receive traffic information. You do not
need to subscribe to a traffic service; your GTM 21 works
automatically.
When you are outside the UK, your GTM 21 receives free
FM TMC data available in the area. You can also add FM
traffic subscriptions for other areas. Check the Garmin
Web site at www.garmin.com/fmtraffic for other available
services.
GTM
™
21 OWNER’S MANUAL
May 2006 Part Number 190-00659-91 Rev. A Printed in Taiwan
190-00659-91_0A.indd 1 5/1/2006 3:43:19 PM
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