Sonar Menu Description - Furuno CSH-5L/CSH-8L Operator's Manual

1. OPERATIONAL OVERVIEW
4. Use the [RANGE] control to choose a menu item. The selected item is
highlighted.
Note: Items displayed in red are locked to prevent accidental change of
5. Use the [GAIN] control to choose the option desired.
6. To close the menu, press the [MENU] key.
1.6.2

Sonar menu description

Item
DISPLAY MODE
TX OUTPUT
PULSE LENGTH Chooses pulse length.
TX CYCLE
TVG NEAR
TVG FAR
AGC
2ND AGC
NOISE LIMITER
COLOR CURVE
1-16
setting. When any of those items are selected the display shown
below appears, to ask you if you are sure to change the setting. To
change the setting, use the [GAIN] control to choose YES and then
press the [EVENT] key. The items colored in red turn green to show
that they are available for adjustment.
SELECTED MENU IS LOCKED
ARE YOU SURE TO CHANGE?
PRESS [EVENT] KEY TO EXECUTE
Description of sonar menu
Chooses the display mode among, COMBI-1
(NORM + Audio), NORM (Sonar) and
COMBI-2 (NORM + Echosounder).
Adjusts transmitter power.
Removes interference caused by other sonars
operating nearby.
Adjusts receiving gain within 300 m.
Adjusts receiver gain beyond 300 m.
Automatically reduces the receiver gain only
against strong echoes such as the bottom or a
large fish school, to suppress bottom tail.
Suppresses bottom echo.
Suppresses unwanted reflections caused by
sediments in water, plankton or ship's noise.
Adjusts echo presentation color curve against
strong reflections. In setting "1," for example,
weak to strong signals are averaged and
displayed to obtain a balanced picture. The larger
the setting the better the resolution on weak
signals.
NO
Description
YES
Ref. page
1-6
2-4
2-3
2-6
2-1
2-1
2-2
2-3
2-5
—