User manual GARMIN GTM 21

[. . . ] 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. [. . . ] Use the suction cups to route the antenna horizontally or vertically on the windscreen. For best signal reception, route it vertically. Route the cable so that it does not interfere with vehicle operating controls. Using Traffic Data with Your Garmin GPS Device Testing the GTM 21 Observe the LED on the GTM 21: When the GTM 21 is connected to power, the Power LED is on. The GTM 21 may take up to five minutes to acquire data. The GTM 21 works with your Garmin GPS device to show traffic flow and incident information and enable routing around traffic incidents. Although each GPS device operates differently, they all provide similar traffic information. The Map page shows a when there is a traffic incident on your current route or on the road you are traveling on. Touch the to view the traffic information. Touch Avoid to route around the incident. Avoiding Traffic Severity Color Code In the traffic incidents list, the bars to the left of the traffic symbols indicate the traffic incident's severity: Green = Low severity; traffic is flowing normally. Yellow = Medium severity; traffic is a bit congested. Red = High severity; traffic is heavily congested or stopped. Viewing Traffic Information Each GPS device provides a list of traffic incidents. On many GPS devices, you can access this list by touching the traffic icon on the Menu page. Touch an item in the list to view the details. Changing the Traffic Settings Traffic Symbols International Meaning Road Condition Road Construction Congestion Accident Incident Information North American Some Garmin GPS devices allow you to change the Traffic Settings. The settings are often found near other software settings. [. . . ] (and its subsidiaries) against any and all claims, damages, costs, or other expenses that arise directly or indirectly out of (a) your unauthorized use of the traffic incident data or the RDS/TMC network, (b) your violation of this End User Subscriber Agreement and/or (c) any unauthorized or unlawful activities by you in connection herewith. The Traffic Service Data is informational only. [. . . ]