2. MAINTENANCE, TROUBLESHOOTING
WARNING
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
Only qualified personnel should work inside the equipment.
NOTICE
Do not apply paint,
Those items contain organic solvents that can damage coating and plastic parts, especially plastic connectors.
2.1 Maintenance
Regular maintenance is important for good performance. A maintenance program should be established and should at least include the items listed in the table below.
Maintenance program
Period | Item | Check point | Action |
| Fixing bolts for | Check for corrosion and if | Replace corroded bolts. Coat new |
| antenna unit | tightly fastened. | bolts with anticorrosive sealant. |
| Antenna unit | Check for foreign material. | Clean the antenna unit with a |
| cleanliness | (Foreign material on the | |
|
| antenna unit can cause a | Alcohol may be used. Do not use |
|
| considerable drop in | commercial cleaners to clean the |
|
| sensitivity.) | antenna unit; they can remove |
|
|
| paint and markings or deform the |
|
|
| equipment. |
| Antenna unit | Check for cracks. Permanent | If a crack is found, it should be |
| cover | damage to the unit’s circuitry | temporarily repaired by using a |
|
| will result if water leaks inside. | small amount of sealing compound |
3 to 6 |
|
| or adhesive. The unit should then |
|
| be brought to your dealer for | |
months |
|
| permanent repairs. |
| Display unit | The LCD will, in time, | Wipe the LCD carefully to prevent |
| case, LCD | accumulate a coating of dust | scratching, using tissue paper and |
|
| which tends to dim the picture. | an LCD cleaner. To remove dirt or |
|
|
| salt deposits, use an LCD cleaner, |
|
|
| wiping slowly with tissue paper so |
|
|
| as to dissolve the dirt or salt. |
|
|
| Change paper frequently so the |
|
|
| salt or dirt will not scratch the LCD. |
|
|
| Do not use solvents such as |
|
|
| thinner, acetone or benzene for |
|
|
| cleaning; they can remove paint |
|
|
| and marks or deform the |
|
|
| equipment. |
6 months | Display unit | Check for tight connection and | If corroded, ask your dealer about |
to 1 year | connectors | corrosion. | replacement. |
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