Furuno CSH-8L User Manual
Page 27

1. OPERATIONAL OVERVIEW
1-17
Description of sonar menu (con’t from previous page)
Item Description
Ref.
page
COLOR 
RESPONSE 
Adjusts color level against strong reflections. The 
higher the setting, the more the red color is 
displayed and weak level colors are displayed as is, 
thereby giving the appearance that the gain has 
been raised. 
—
DELETE 
COLOR 
Erases desired echo level from the display.
2-7
ECHO 
AVERAGE 
Specifies how long to leave afterglow on the screen.
2-7
INT REJECT
Rejects random noise and sea surface reflections in 
rough sea conditions. 
2-5
HOR 
BEAMWIDTH 
Sets horizontal beamwidth for wide or narrow.
2-7
VER 
BEAMWIDTH 
Sets vertical beamwidth for wide or narrow.
2-7
COLOR
Chooses display colors for the sonar and audio 
displays, among four choices. Choose a display 
color to match your environment or fishing objective. 
—
ERASE MARKS Chooses the mark type to erase collectively, from
track, own ship, event and fish. For track, 10% of 
the oldest track is erased. 
3-9
ALARM LEVEL
Sets echo strength level which triggers the fish 
alarm. The lower the setting the weaker the echo 
which triggers the alarm. 
3-4
AUTO TRAIN
Turns automatic transducer training on or off.
3-3
TRAIN SECTOR Chooses train sector in automatic training.
3-3
AUTO TILT
Turns automatic tilt on or off.
1-10
TILT ANGLE
Sets automatic tilt range.
1-10
TRANSMISSION Turns transmission on or off.
1-4
AUDIO 
VOLUME 
Sets audio volume of loudspeaker.
3-3
ASSIGN 
SETTING 
Chooses function key to program.
3-10
ASSIGN MENU
Displays programs assigned to function keys.
3-12
