Humminbird 4090501 What’s on the Sonar Display

What’s on the Sonar Display

The 300 Series™ Fishfinder can display a variety of useful information about

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

Temperature - Water surfacetemperature.

Timer - Elapsed time with Temp/Speed

Accessory or GPS Receiver.

Distance - Distance traveled with Temp/Speed

Accessory or GPS Receiver.

Average Speed - Average speed reading with

Temp/Speed Accessory or GPS Receiver.

Speed - If a Temp/Speed accessory or GPS Receiver is connected, the Fishfinder can display the speed of the boat and can keep a Triplog of nautical or statutemiles traveled.

Second Sonar Return - When the sonar signal bouncesbetweenthebottomand thesurface ofthe water and backagain. Use the appearance of the second returnto determine bottomhardness. Hard bottomswillshowa strongsecondreturn,whilesoft bottomswillshowa veryweakone ornoneat all.

Cursor Dialog Box - Indicates cursor depth on the display and the depth of the bottom directly

below the cursor. The Latitude and Longitude of the cursor position, the distance to travel to the

cursor position, and the bearing to the cursor position are shown with a GPS receiver. A waypoint can be marked at the cursor position for later retrieval and use with a GPS receiver.

NOTE: Entries in this view that list (with Temp/Speed or GPS Receiver) are available if then only the information from the GPS receiver will be displayed on the view.

What’s on the Sonar Display 20