America Inc. Fish Finder User Manual

4
BASIC OPERATION
9
■ Basic operation
q Turn the power ON.
w Push [TX]/[ ] after the countdown disap-
pears from the screen.
• See “Turning power ON/OFF” on page at left.
e Push [+]/[ ] or [–]/[ ] several times to se-
lect the display range.
• The screen range readout shows the maximum range of
the screen.
r Turn [GAIN]/[ ] to set 1 o’clock position.
• Clockwise rotation increases the gain.
• Increased gain may increase screen noise.
t Turn [SEA]/[ ] to set the sensitivity time con-
trol for minimum.
y Turn [RAIN]/[ ] to set the rain clutter control
for minimum.
u Push [MODE]/[ ] to select one of Head-up;H
UP, Course-up;C UP, North-up;N UP or True Mo-
tion;TM screens.
C UP, N UP or TM can be selected only when bear-
ing, position or speed data are connected.
(See p. 39 for details)
NOTE: Manual adjustment can be used. (See below.)
TX
SAVE
TARGET TRAILS
MODEALM
+
-
MOB
MENU
EBL2
VRM2
EBL1
VRM1
BRILL
ZOOM
OFF CENT
PI
HL OFF
GAIN
SEA
RAIN
POWER
e
q
w
u
r
t
y
e
q
w
u
r
t
y
CAUTION: When setting the [SEA]/[ ] control to
a fully clockwise position, close targets are blanked.
D Heading marker
The heading marker is a line that shows your ship’s
bow direction. (This marker will appear in the center of
the screen when the Head-up screen H UP is se-
lected.) The heading marker can be hidden when the
desired target is located under the heading marker.
• Push and hold [BRILL]/[ ] and [MENU]/[ ] simulta-
neously to hide the heading marker.
D Fixed range rings
The fixed range rings can be used for rough distance
measurement. (p. 14)
Push [MENU]/[ ] to open the FUNCTION menu,
then push [Ú] to select RING. Push [≈] to turn the ring
ON.
D Manual tuning
The receiver tuning can be manually adjusted.
Push [MENU]/[ ] to open the VIDEO menu, then
select MANUAL. Push [Ú] to activate the manual tun-
ing slider, then push [Ω ≈] to set the tuning level indi-
cator to the maximum level. (p. 6)
•“M.TUNE” appears on the top of the display.
D Brilliance adjustment
The intensity of the screen can be adjusted. When you
require continuous operation, but not constant viewing,
a lower setting can increase the life of the CRT display.
• Key illumination
The backlighting of the keys can be adjusted for con-
venient operation. (p. 7)
Push [MENU]/[ ] four times to call up the INT. SET-
TING menu. Push [Ω ≈] to select the illumination level.
• Key illumination corresponds with [BRILL]/[ ] control.
NOTE: High intensity will shorten the life of the CRT
display.
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