Humminbird 937C COMBO, 937C DF COMBO manual WHAT’S on the Sonar Display, Triplog

Models: 937C DF COMBO 937C DF 937C COMBO

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WHAT’S ON THE SONAR DISPLAY

The 900 Series™ can display a variety of useful information about the area under and adjacent to your boat, including the following items:

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Triplog

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7Speed - if a Speed accessory or GPS Receiver is attached, the 900 Series™ can display the speed of the boat, and can keep a triplog of nautical or statute miles traveled.

8 Thermoclines - layers of water with

different temperatures that appear

at different depths and different

times of the year. A thermocline

typically appears as a continuous

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band of many colors moving across

the display at the same depth.

9Sonar Color Bar - color spectrum indicating low to high sonar intensity returns, where red indicates high intensity and white indicates low intensity.

10Bait Ball

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Triplog

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Depth - water depth; can be set to alarm when the water becomes too shallow.

5 Barometric Pressure - Requires optional-purchase WeatherSense®

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Timer - Elapsed time with Speed accessory or GPS Receiver.

6 Temperature - water surface temperature

3Distance - Distance traveled with Speed accessory or GPS Receiver.

4Average Speed - Average speed reading with Speed accessory or GPS Receiver.

11RTS® (Real Time Sonar) Window

12Second Sonar Return - when the sonar signal bounces between the bottom and the surface of the water and back again. Use the appearance of the second return to determine bottom hardness. Hard bottoms will show a strong second return, while soft bottoms will show a very weak one or none at all.

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Humminbird 937C COMBO, 937C DF COMBO manual WHAT’S on the Sonar Display, Triplog