Garmin GPSMAP 5215 Owner's Manual - Page 56

Using Sonar Understanding the Split Frequency Screen Use the Split Frequency screen (dual-frequency transducer only) to view both the 50kHz and 200kHz frequencies on the same screen. From the Home screen, touch Sonar > Split Frequency. A 200kHz frequency graph appears on the left; a 50kHz frequency graph appears on the right. Depth, temperature, and water speed GPS speed and GPS heading Range Transducer frequencies Sonar Split Frequency Understanding the Temp Log If you are using a temperature-capable transducer, the Temp Log screen keeps a graphic log of temperature readings over time. 1. From the Home screen, touch Sonar > Temp Log. The current temperature and depth are shown in the upper-left corner. The temperature appears along the right side and the time elapsed appears along the bottom. The graph scrolls to the left as information is received. 2. Touch Menu to access the following scale settings: • Touch Duration to set the time elapsed scale. • Touch Scale to set the temperature range scale. Temperature and depth Time elapsed Temperature range Transducer Temperature Log 52 GPSMAP 5000 Series Owner's Manual Using Sonar