Furuno GP-1870F Marine GPS System User Manual


 
7. FISH FINDER OPERATIONS
7-17
7.15.2 How to activate ACCU-FISH
TM
, select display information
1. Open the [FISH FINDER] and [ACCU-FISH] menus.
2. Select [FISH INFO] to activate or deactivate ACCU-FISH
TM
and select the infor-
mation to display.
[Off]: Deactivate ACCU-FISH
TM
.
[Fish Size]: Show fish size.
[Depth]: Show depth to the fish.
Note: You can show the fish info figure alone (without fish symbol) by turning off
[FISH SYMBOLS].
3. Select [INFO SIZE] to choose the size of the fish info indication, [Small] or [Large].
4. Select [FISH SYMBOLS] to choose the style for the fish symbol, [Off], [Solid] or
[Striped]. The size of the symbol is scaled according to fish length.
7.15.3 Fish size correction
The fish size shown on the display can be different from the true size. If the size indi-
cated is wrong, add an offset to the measured value to get an accurate indication on
the screen. Open the [FISH FINDER] and [ACCU-FISH] menus and select [FISH SIZE
CORRECTION]. Use the RotoKey
TM
to set a correction percentage. The setting
range is -80% to +100%, in intervals of 10%.
Setting Revised fish length
+100 Two times
+50 1.5 times
-50 1/2
-65 1/3
-75 1/4
-80 1/5
Fish length or depth
is shown in red.
Striped
Solid
Large fish symbol
(more than 50 cm, or
more than 20 inches)
Small fish symbol
(10 to 49 cm, or 4 to
19 inches)