2How To Correct Measured Fish Size; 3How To Select The Display Mode To Show Fish Information - Furuno GP-3700F Operator's Manual

9. Select [FISH MARK].
10. Select the fish mark symbol to show. The size of the symbol including
changes with the size of the fish.
Large fish symbol
(more than 50 cm (20 inches))
Small fish symbol
(10 to 49 cm (4 to 19 inches))
11. Press the DISP key to close the menu.
11.15.2 How to correct measured fish size
The fish size shown on the screen can be different from the true size. If the size is
wrong, add an offset to the measured value to get a more accurate indication on the
screen.
1. Press the MENU key to open the main menu.
2. Select [0. SYSTEM SETTING].
3. Select [8. ECHO SOUNDER INITIAL SETTING].
4. Select [3. ACCU-FISH SETTING].
5. Select [FISH SIZE CALIB.].
6. Press the numeric keys to set the correction percentage, referring to the table be-
low (setting range: -80 to +100%).
7. Press the DISP key to close the menu.
11.15.3 How to select the display mode to show fish information
1. Press the MENU key to open the main menu.
2. Select [0. SYSTEM SETTING].
3. Select [8. ECHO SOUNDER INITIAL SETTING].
4. Select [3. ACCU-FISH SETTING].
5. Select [FISH DISPLAY SETTING].
6. Select the display mode to show fish information.
[50kHz]: Shows fish information only on the 50 kHz display.
[200kHz]: Shows fish information only on the 200 kHz display.
[50/200kHz]: Shows fish information on the 50 kHz and 200 kHz displays.
[MIXED]: Shows fish information only on the mixed display.
[ALL]: Shows fish information on all displays.
[HIDE]: Does not show fish information on all displays.
7. Press the DISP key to close the menu.
Fish size
Setting
+100%
+50%
-50%
-80%
11. ECHO SOUNDER
MARK1 MARK2
Revised size
Two times
1.5 times
1/2
1/5
and
11-21