8. MAINTENANCE, TROUBLESHOOTING

8.6Troubleshooting

The table below provides common symptoms of equipment troubles and the means to rectify them.

Symptom

 

Check, Remedy

Cannot turn on the

Check power cable.

power

Check ship’s mains.

 

First check the fuse in the processor unit. If it is OK, have a

 

 

qualified technician check the fuse in the transceiver unit.

Bottom echo

Rough seas. Distance to the bottom changes due to rolling and

becomes irregular

 

pitching.

 

Long range selected. Transmission period is longer so ship’s

 

 

pitching and rolling are apt to affect detection of echo.

Weak echo

Output power set to minimum. Set TX OUTPUT (SONAR menu) to

 

 

maximum.

 

Excessive TVG. Readjust TVG NEAR and FAR on the SONAR

 

 

menu.

Somewhat strange

Brilliance too low. Adjust display brilliance.

color

 

 

Picture contains

Equipment not grounded properly. Check equipment ground.

noise

Power cable is too close to the signal cable. Relocate power cable

 

 

or signal cable.

 

Debris may be on sea surface. Reject unwanted noise with the

 

 

interference rejector on the SONAR menu.

Picture does not

Problem in tilt mechanism or control line. Contact a FURUNO agent

change when tilt

 

or dealer for advice.

angle is changed

 

 

8-5

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Furuno CSH-5L/CSH-8L manual Troubleshooting, Symptom Check, Remedy

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.