Furuno FCV-1100L User Manual
Page 35

2. MENU OPERATION
2-5
SCROLL TIME
Turns the display scroll time on or off. Scroll time, shown at the bottom left
corner of the display, shows the amount of time a scan line stays on the screen
as it passes from one side of the screen to the other. Time varies with the range
and picture advancement speed.
ECHO STRETCH
Displays the strong echoes long though the pulselength setting is short. It is
useful for distinguishing individual fish (for example, squid) from plankton.
SMOOTHING-1
This function smoothes echo presentation, and can only be changed when the
picture advance speed is set to 1/16, 1/8, 1/4, 1/2 or 1/1. (See page 1-18.) The
higher the number, the greater the smoothing. Adjust the setting when echoes
appear “spotty.”
SMOOTHING-2
This function smoothes the “mosaic-like” echo presentation, and can only be
changed when the picture advance speed is set to 2/1, 3/1 or 4/1. (See page
1-18.)
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