2.NAMES AND FUNCTIONS OF COMPONENTS
7
No.
Name
Function
q
RANGE
Changes the display range in steps
of one level.
w
AHIFT
Changes the shift (depth of the top
in the video) in steps of one level.
e
MARK
Writes event marks (lines) in the
fishfinding video display mode.
Returns control from the current
submenu to the main menu.
r
CH.SPD
Changes the chart feed rate.
t
GRAPH
Disp3lays a graph. Returns control
f r o m t h e m a i n m e n u t o t h e
fishfinding video display mode.
y
A SCP
Displays the A-scope.
u
DAY/NIGHT
Changes brightness and color tone
according to the selected day or
night mode.
i
MODE
Changes the display mode.
Names and functions of the operations panel keys and controls
No.
Name
Function
o
GAIN
GAIN adjusts the gain level. Two
[GAIN] controls are provided: for
high-frequency use and for low-
frequency use.
CLUTTER
CLUTTER reduces display noise.
Two [CLUTTER] controls are
provided: for high-frequency use
and for low-frequency use.
!0
STC
Adjusts the STC level for reduced
noise near the surface layer and
for optimal gain during operations
between the surface and middle
layers. Two [STC] controls are
provided: for high-frequency use
and for low-frequency use.
!1
PWR/BRT
Turns power on and off or adjusts
brightness.
!2
CUSTOM
Registers settings or resets data
to the registered settings.
!3
MENU
Displays the main menu.
F/F MENU
Displays the fishfinding menu.
These keys move the cursor
(VRM) vertically to detect the
water depth where a school of fish
is present.
In the menu display mode, the
keys move items or modify data
settings.
4
6
2
8
OFF
10
PWR/BRT
4
6
2
8
0
10
4
6
2
8
0
10
HIGH FREQ
LOW FREQ
GAIN CLUTTER
STC
CUSTOM
MARK
SHIFT
SHIFT
CH.
SPD
GRAPH
A
SCP
DAY/
NIGHT
RANGE
RANGE
MENU
F/F MENU
MODE
ZOOM
BTM
DUAL
DUAL
MIX
DUAL
LO
HI
LO
HI
STD
HI
LO
