Humminbird 4090501 用户手册
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What’s on the Sonar Display
What’s on the Sonar Display
The 300 Series™ Fishfinder can display a variety of useful information about
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.
then only the information from the GPS receiver will be displayed on the view.
Depth - Water depth; can be set to alarm when
the water becomes too shallow.
the water becomes too shallow.
Temperature - Water surface temperature.
Timer - Elapsed time with Temp/Speed
Accessory or GPS Receiver.
Accessory or GPS Receiver.
Distance - Distance traveled with Temp/Speed
Accessory or GPS Receiver.
Accessory or GPS Receiver.
Average Speed - Average speed reading with
Temp/Speed Accessory or GPS Receiver.
Temp/Speed Accessory or GPS Receiver.
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.
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.
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 statute miles traveled.
Receiver is connected, the Fishfinder can display
the speed of the boat and can keep a Triplog of
nautical or statute miles traveled.
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
bottoms will show a strong second return, while soft
bottoms will show a very weak one or none at all.
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.