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 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? NO YES

PRESS [EVENT] KEY TO EXECUTE

5.Use the [GAIN] control to choose the option desired.

6.To close the menu, press the [MENU] key.

1.6.2Sonar menu description

Description of sonar menu

Item

Description

Ref. page

DISPLAY MODE

Chooses the display mode among, COMBI-1

1-6

 

(NORM + Audio), NORM (Sonar) and

 

 

COMBI-2 (NORM + Echosounder).

 

TX OUTPUT

Adjusts transmitter power.

2-4

PULSE LENGTH

Chooses pulse length.

2-3

TX CYCLE

Removes interference caused by other sonars

2-6

 

operating nearby.

 

TVG NEAR

Adjusts receiving gain within 300 m.

2-1

TVG FAR

Adjusts receiver gain beyond 300 m.

2-1

AGC

Automatically reduces the receiver gain only

2-2

 

against strong echoes such as the bottom or a

 

 

large fish school, to suppress bottom tail.

 

2ND AGC

Suppresses bottom echo.

2-3

NOISE LIMITER

Suppresses unwanted reflections caused by

2-5

 

sediments in water, plankton or ship’s noise.

 

COLOR CURVE

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.

 

1-16

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Furuno CSH-5L/CSH-8L manual Sonar menu description, Description of sonar menu, Description Ref

CSH-5L/CSH-8L specifications

Furuno CSH-5L and CSH-8L are advanced marine radar systems known for their cutting-edge technology and user-friendly interfaces. Designed primarily for maritime applications, these radar units cater to a wide range of vessels, from commercial ships to fishing boats. The primary distinguishing feature of the CSH-5L and CSH-8L radar systems lies in their ability to provide high-resolution images and precise detection of targets, ensuring navigational safety and operational efficiency on the water.

One of the standout technologies incorporated into both models is the pulse compression technique. This feature significantly enhances target resolution and minimizes blind spots, allowing the radar to detect smaller objects at greater distances. With the CSH-5L and CSH-8L's powerful signal processing capabilities, users can expect exceptional performance even in challenging weather conditions, ensuring reliable operation during storms or fog.

The CSH-5L model operates at a frequency range of 5 GHz, while the CSH-8L uses an 8 GHz frequency. Both radars are equipped with a rotating antenna that provides a wide coverage range, allowing for efficient monitoring of the surrounding marine environment. Their high sensitivity and low noise levels enhance target detection, making them particularly useful for locating small fishing vessels or buoys.

Another important characteristic of the Furuno CSH-5L and CSH-8L is their user-friendly interfaces. Both models feature intuitive controls, allowing operators to adjust settings easily and access critical information quickly. The displays are designed for clarity, enabling users to distinguish between targets and navigate effectively.

Additionally, the radar systems include advanced features such as automatic target tracking and target acquisition capabilities. This functionality allows users to monitor multiple targets simultaneously, providing essential situational awareness for safe navigation. The CSH-5L and CSH-8L also support integration with other onboard systems, including ECDIS (Electronic Chart Display and Information System), which enhances the overall effectiveness of maritime navigation.

In summary, the Furuno CSH-5L and CSH-8L radar systems represent the forefront of marine radar technology, offering exceptional detection capabilities, user-friendly controls, and robust integration options. Their advanced features ensure that mariners can navigate confidently, making them a vital asset for anyone operating in the marine environment.