Furuno FSV-24, Operator'S Manual

Page: 31 / 174

2. HORIZONTAL MODE
2-3
2.3 Display Range
The [RANGE] control selects the detection range. The range selected is
momentarily displayed in large characters at the top of the screen. Range is
always displayed at the top right hand corner of the screen.
SEA SURFACE
Range indicated
on the screen.
BOTTOM
SEA SURFACE
Range indicated
on the screen.
BOTTOM
Figure 2-3 Range concept
Below are the default ranges (in meters).
Range Setting 1 2 3 4 5 6 7 8
Range 200 400 600 1000 1600 2000 3000 4000
1. If the horizontal and vertical modes are active, press the [H/V] key to show
the range and gain indications of the horizontal mode in yellow. (This step is
not necessary when only the horizontal mode is active.)
Note: Range and gain indications are shown in white on other modes.
2. Operate the [RANGE] control to select desired range.
Note 1: Ranges may be preset as desired on the PRESET, MEMORY CARD
menu. For further details see H-SCAN RANGE on page 8-5.
Note 2: With the target lock feature active, range is automatically changed
according to target position. (INTERLOCK on the TARGET LOCK menu
set to the option TILT&RANGE)
2.4 Tilt Angle
The tilt angle shows the direction to which the sound wave is emitted. When the
sound wave is emitted horizontally, the tilt angle is said to be 0
°
and when
vertically, 90
°
. The tilt angle can be set in increments of 1
°
from -5
°
(upward) to
60
°
(downward).
2.4.1 Setting the tilt angle
To manually set a tilt angle, operate the [TILT] control. Watch the tilt angle
indication and tilt angle indicator at the top right corner of the screen
.
Select tilt angle depending on target fish. For surface fish select a shallow angle
(about 5
°
) and for bottom fish, a deep angle (about 40
°
).