Furuno FCV-587 Manual De Usuario

1.  OPERATION

1. Open the menu, select [Sounder] and 

press the ENTER key.

2. Select [Pic. Advance] and press the EN-

TER key.

3. Select picture advance speed desired 

and press the ENTER key. [1/16] is the 
slowest speed and [x4] is the fastest 
speed. [1/16] means one scan line is pro-
duced every 16 transmissions. [Stop] 
stops picture advancement and is useful 
for taking a screenshot. Current picture 
advance speed is displayed at the top-
right corner of the screen. 

4. Press the MENU/ESC key twice to close 

the window.

Interference from other acoustic equipment 
operating nearby or other electronic equip-
ment on your boat may show itself on the dis-
play as shown in the figure below. Follow the 
procedure below to reduce interference.

1. Open the menu, select [Sounder] and 

press the ENTER key.

2. Select [Interference] and press the EN-

TER key.

3. Select the degree of interference reduc-

tion desired and press the ENTER key.
[Auto]: Interference is suppressed auto-
matically.
[High], [Medium], [Low]: [High] provides 
the greatest degree of interference reduc-
tion and [Low] is the smallest.
[Off]: Turn off the interference rejector.
Note: Turn off the interference rejector 
when no interference exists, so as not to 
miss weak echoes from small targets.

4. Press the MENU/ESC key twice to close 

the window.

Fast

Slow

Fast

Slow

Maneuvering the vessel in this condition 
may result in a dangerous situation.

Interference from 
other sounder

Electrical interference