Garmin GPSMAP 276C Owner's Manual - Page 97
Setting Up and Using Sonar, Showing Sonar on the Map To show the Sonar on the Map
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Setting Up and Using Sonar This section covers the additional sonar options for the GPSMAP 276C when used in conjunction with a GSD 20 or GSD 21 Sounder Module. Read the GSD 20 or GSD 21 Sounder Module Installation Instructions to properly install the sounder module. When you turn on your GPSMAP 276C, the sounder module automatically turns on. Setting Up and Using Sonar > Showing Sonar on the Map Page 4. Press Menu. Highlight Set Up Page Layout, and press Enter. 5. Highlight Map With Sonar, and press Enter. Note: You MUST have a transducer and a GSD 20 or GSD 21 installed and connected to your GPSMAP 276C to use the sonar features. Map Page with Split Screen The Sonar Page is added to the end of the page sequence when you are in Marine Mode. To view the Sonar Page, press Page or Quit repeatedly until it appears. To resize the Map Page sonar split screen: 1. After showing the Sonar and Map Pages together in the split screen as described in the previous steps, press Menu. Showing Sonar on the Map Page 2. Highlight Size Split, and press Enter. You can change the layout of the Map Page to show a split screen to show the sonar on the Map Page. You must be in Marine Mode to 3. Use the ROCKER to move the vertical double-arrow right or left. use sonar. 4. Press Enter. To show the Sonar Page on the Map Page: 1. Press and hold Page. 2. Highlight Marine, and press Enter. 5. To stop resizing the screen, press Quit. You can also press Menu, highlight Stop Resizing, and press Enter to stop resizing the screen and retain the previous split setting. 3. Press Page or Quit to open the Map Page. GPSMAP 276C Owner's Manual 89