50 GPSMAP 5000 Series Owner’s ManualUsing SonarUSinGS onarUnderstanding the Split Frequency ScreenUse the Split Frequency screen (dual-frequency transducer only) to view both the 50kHz and200kHz frequencies on the same screen. A 200kHz frequency graph appears on the left; a 50kHzfrequency graph appears on the right.From the Home screen, touch Sonar > Split Frequency.Sonar Split FrequencyDepth, temperature,and water speedGPS speed andGPS headingTransducerfrequenciesRangeUnderstanding the Temp LogIf you are using a temperature-capable transducer, the Temp Log screen keeps a graphic log oftemperature readings over time. The current temperature and depth are shown in the upper-leftcorner.From the Home screen, touch Sonar > Temp Log.Transducer Temperature LogTemperatureand depthTimeelapsedTemperaturerangeThe temperature appears along the right side and the time elapsed appears along the bottom. Thegraph scrolls to the left as information is received.Touch MeNu to access scale settings. Touch Duration to set the time elapsed scale. Touch Scale toset the temperature range scale.
