27
2.3 Auto Range
Range can be adjusted manually or automatically.
Automatic adjustment is useful when you are
preoccupied with other tasks and do not have the time
to adjust the display.
2.4 Display speed
The picture advance speed determines how quickly the
vertical scan lines run across the screen. When choosing a
picture advance speed, keep in mind that a fast advance
speed will expand echoes horizontally on the screen and a
slow advance speed will contract them. A fast advance
speed is useful for observing the rugged bottom closely. A
slow advance speed is useful for observing the smooth
bottom
.
( Maximum speed X 8 , Minimum Speed X 1/8
Setting range
[MENU]
select [display]
select [auto range]
(select among
off/auto range
Setting for display speed
[MENU]
select [display]
select [display speed]
select desired speed
28
2.5 Interference
Their induced noise from the electric apparatus and the occurrence of periodic interference
from the lineup of a fish finder is the ability to eliminate noise.
< Interference> < noise reduction>
2.6 Refresh area
Change from the current value, whether, as a
whole should choose.
Setting for interference
[MENU]
select [display]
select [interference]
select desired level
Setting for noise reduction
[MENU]
select [display]
select [noise reduction]
select among
off/on
Setting for refresh area
[MENU]
select [display]
select [refresh area]
(select among
all/from now
Summary of Contents for SDF-315
Page 33: ...65...
