531442-1_A_141c_Eng.qxd 11/15/2005 8:39 PM Page 8

What’s On the Display

The 100 Series™ Fishing System can display a variety of useful information about the area

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

Temperature - water surface temperature.

Timer - Elapsed time with Temp/Speed Accessory.

Distance - Distance traveled with Temp/Speed

Accessory.

Average Speed - Average speed reading with

Temp/Speed Accessory.

Speed - if a Temp/Speed accessory is attached, the FishFinder can display the speed of the boat.

Second 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 bottomswillshowastrongsecondreturn,whilesoft bottoms will show a very weak one or none at all.

under and adjacent to your boat, including the following items:

High Sonar Intensity Return

Bait Ball

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 band of many colors moving across the display at the same depth.

Fish - the FishFinder displays fish as arches and/or fish icons, and can be set to alarm when a fish of a certain size is detected. When a target is detected, a Fish ID+TM symbol appears on the display with the depth displayed above it. The size of the symbol indicates the intensity of the sonar return. The unit will clearly show schools of Bait Fish as "clouds" of different shapes and sizes, depending on the number of fish and boat speed.

200 kHz Orange Fish Symbol

Structure - where fish may be hiding.

RTS® (Real Time Sonar) Window

Low Sonar Intensity Return

NOTE: Entries in this view that list (with Temp/Speed) are available only if the device is connected

to the 100 Series™ Fishing System.

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Humminbird 141c manual What’s On the Display, High Sonar Intensity Return Bait Ball