Humminbird 531427-1_D 用户手册

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页码 119
7
What’s On the Display
The 700 Series™ can display a variety of useful information about the area under and adjacent to your 
Timer - elapsed time with Temp/Speed Accessory
or GPS Receiver.
Depth - water depth; can be set to alarm when the
water becomes too shallow.
Speed - if a Temp/Speed accessory or GPS Receiver
is attached, the 700 Series™ 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. 
Cursor Dialog Box - indicates cursor depth on                     
Longitude of the cursor position is shown, 
be marked at the cursor position for later 
Bait Ball
Hard Bottom
Rocky Bottom
Distance - distance traveled with Temp/Speed
Accessory or GPS Receiver.
NOTE: Entries in this view that list (with Temp/Speed or GPS Receiver) are available if either device is connected 
receiver will be displayed on the view.
Temperature - water surface temperature.
Average Speed - average speed reading with
Temp/Speed Accessory or GPS Receiver.
Cursor - available in Freeze Frame and can be  
depth of a sonar return and bottom depth