Furuno CSH-5L Manual

Operator's Guide

The purpose of this guide is to

provide the basic operation for

this equipment. For more detailed

information, see the Operator's

manual.

All brand and product names are

trademarks, registered

trademarks or service marks of

their respective holders.

COLOR SCANNING SONAR

CSH-5L/8L

Turns power on/off.

Selects display range;

selects menu item.

Adjusts receiver sensitivity;

selects menu option.

Trackball

Positions trackball mark.Sets transducer tilt angle.

Raises the transducer.

Lowers the transducer.

Executes assigned program;

registers function key program.

FISH EVENT

TA R GET

LOCK

OFF

CENTER

STABI-

LIZER

DELETE

MARK

R/B

ALARM

ZONE

FISH

ALARM

Color Scanning Sonar

RANGE GAIN

F1 F2

F3 F4

TILT

POWER

POWER POWER

Power on Lower transducer Raise transducer Power off

RANGE GAIN RANGE GAIN

Select MENU MODE. Select SONAR. Select DISPLAY MODE. Select a display mode.

NORMAL

(sonar display)

COMB-1

(sonar + audio)

Controls

FISH

ALARM

FISH

EVENT

TA R GET

LOCK

R/B

: Inscribes fish mark.

: Inscribes event mark.

: Tracks trackball-selected

position.

: Displays range and bearing

mark.

: Turns fish alarm on/off.

OFF

CENTER

STABI-

LIZER

DELETE

MARK

ALARM

ZONE

: Compensates for affects of

ship's pitching and rolling.

(Requires Motion Sensor

MS-100.)

: Shifts the display.

: Sets fish alarm zone.

: Deletes selected mark.

: Opens/closes menu.

How to turn the power on/off, lower/raise transducer

How to choose a display

COMB-2

(sonar + echosounder)

Text

Audio

Text

E/S

Sea surface reflections

RANGE GAIN RANGE GAIN

Select

MENU MODE.

Select SONAR. Select

TVG NEAR (short

range), or TVG

FAR (long range).

Adjust

TVG level.

Close menu.

How to reduce sea surface reflections

RANGE GAIN RANGE GAIN

Select

MENU MODE.

Select SONAR. Select

TX OUTPUT.

Set smaller level.

How to reduce reflections in shallow fishing grounds

RANGE GAIN

TILT

Select range. Adjust gain. Set tilt angle.

Gain too low Gain proper Gain too high

How to find suitable tilt angle

Basic Set Up

Fish school (a)Fish school (a)

BottomBottom

Fish school (a)Fish school (a)

BottomBottom

Fish school (a)Fish school (a)

Fish school (b)Fish school (b)

Tilt angle 30

to 40 degrees

Tilt angle 10

to 20 degrees

Tilt angle 0 to

5 degrees

Case 1Case 1 Case 2Case 2 Case 3Case 3

R 1000

T 15°

G 8.0

R 1000

T 15°

G 2.0

R 1000

T 15°

G 5.0

Setting value

Trackball markTrackball mark







:

Slant range from own ship to trackball mark

:

Horizontal range from own ship to trackball mark

:

Depth to trackball mark

B: Relative bearing from own ship to trackball mark*

* = Relative bearing format may be selected with OTHER MARKS on the MARKS menu.

Own ship markOwn ship mark

TRACKBALL DATA

How to find range and bearing to a target

Put the trackball mark

on a school of fish.

Case 1 Case 2 Case 3

Tx cycle interference

Electrical interference

Marine life noise

How to reduce noise and interference

RANGE GAIN

RANGE

GAIN

Select

MENU MODE.

Select SONAR.

Select

TX CYCLE.

Select

INT REJECT.

Select

NOISE LIMITER.

Select setting.

Trackball MarkTrackball Mark

Put trackball mark on

target.

TA R GET

LOCK

TargetTarget

Target Lock

Mark

Target Lock

Mark

To cancel target lock:

TA R GET

LOCK

RANGE GAIN RANGE

RANGE

GAIN

Select

MENU MODE. Select SONAR.

Select AGC.

Select

PULSE LENGTH.

Select

2ND AGC.

Select setting.

Reduce gain

against only

strong echoes

bottom fish

Suppress

bottom echoes

not suppressed

by AGC

RANGE

How to reduce bottom tail

How to track a school of fish

TX CYCLE: smaller

INT REJECT: larger

NOISE LIMITER: larger

TX CYCLE: smaller

INT REJECT: larger

NOISE LIMITER: larger

557

149

Taget Lock Data

ALARM

ZONE

Put trackball mark on starting point. Put trackball mark on ending point. Completed alarm area

Starting

Point

Starting

Point

Starting PointStarting Point

Ending Point

Alarm AreaAlarm Area

ALARM

ZONE

How to set an alarm zone

Wait 1-2

minutes

FISH FISH

Latest Fish MarkLatest Fish Mark

Put trackball mark

on fish echo.

How to measure the speed of a school of fish

School of FishSchool of Fish

OFF

CENTER

Own Ship MarkOwn Ship Mark

Own Ship Mark

To return own ship mark to

screen center:

OFF

CENTER

How to relocate a school of fish

Event mark data

EVENT

Use the event mark to find horizontal range, depth and bearing to an echo.

How to enter an event mark

Range and bearing marks data

Bearing

Mark

R 400 B 45S

Train Sector

Put trackball mark on location

to monitor.

R/B

Adjust volume of louspeaker:

AUDIO VOLUME on the

SONAR menu.

How to aurally detect a school of fish

School of FishSchool of Fish

Put trackball mark on echo.

2nd Latest

Fish Mark

2nd Latest

Fish Mark

Latest Fish Mark

2nd Latest Fish Mark

Past Fish Mark

(Max. 8)

S 2.3kt

C E/S

Fish Mark Data

234

121

( 121)

B SW/W

Range

Mark To cancel aural monitoring:

R/B

Latest Fish MarkLatest Fish Mark

: Horizontal range (m) from own ship to event mark

: Depth (m) to event mark

: Depth (m) of mark at moment EVENT key is pressed.

: Bearing (32 compass symbol or degree)

234

121

( 121)

B SW/W

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