Garmin GTM 20 user manual

Summary of the content on the page No. 1

™
GTM 20 OWNER’S MANUAL
® ™
The Garmin GTM 20 FM TMC Traffic Receiver
Connecting Your GTM 20
receives Traffic Message Channel (TMC) information
1. Remove the power cable from your Garmin GPS.
broadcast over the FM radio data system. When a traffic
2. Connect the cable on the GTM 20 to the power
message is received, your Garmin GPS device displays
connector on your Garmin GPS.
the incident on the map and can change your route to
avoid the traffic incident. For coverage areas, refer to the
To

Summary of the content on the page No. 2

Changing the Traffic Settings Using Traffic Data with Your Some Garmin GPS devices allow you to change the Garmin GPS Device Traffic Settings. The settings are often found near other The GTM 20 works with your Garmin GPS device to software settings. For example, from the Menu page, show traffic flow and incident information and enable touch Settings > Traffic. routing around traffic incidents. Although each GPS NOTE: Not all Garmin GPS devices allow you device operates differently, they all p