Instruction manual

CVS-128 Chapter 4 Maintenance and Inspection
0093112802-00 4-1
Chapter 4 Maintenance and Inspection
4.1 Inspection
The daily maintenance and inspection extends the life of equipment. To always keep the equipment in
the best condition, implement periodically the inspection shown in the table below.
Item Content of Inspection
Connector at the rear of
CVS-128 Display unit
Check the looseness.
Wiring of cables Check the wiring of cables connecting the equipment and the
damage of cable.
Grounding of display unit Scrape the rust off the ground terminal and make its contact well.
4.2 Cleaning
CVS-128 Display unit
Contamination on the screen may cause faint images. For cleaning the screen, wipe the screen with
soft and clean cloth dipped with diluted neutral detergent. Pay full attention as the screen is easily
getting scratched. No thinner shall be used.
For cleaning the housing, do not use plastic solvent such as thinner or alcohol. Painting on the surface
and characters at the operating portion may melt. After wiping with soft and clean cloth dipped with
diluted neutral detergent, wipe away with dry soft and clean cloth.
Transducer
In case of through-hull equipped transducer, check the surface of opening of transducer (portion form
which the ultra-sonic is emitted). If shells and oil are stuck, scrub the surface with a wooden or bamboo
knife with caution not to damage the surface and remove stuck matters. If you scrub strongly, the
surface will be damaged, resulting in deteriorated performance of transducer.
Caution
The display unit has a special coating. Do not use a solvent such as
paint thinner, acetone, alcohol, and benzene, etc.
Strong rubbing may cause bruising, scratching.