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(2) Check for any evidence of corrosion in the scanner unit and display unit,
or their cables and connecotrs. Clean as reuired.
(3) Check that the cable connector is secure.
5.2 CLEANING (MONTHLY INTERVALS)
Wash the exterior of the scanner with fresh water, but do not immerse the unit.
A heavy deposit of dirt, or caked salt on the surface of the scanner may cause a
considerable drop in the radar performance. Clean the face of the display unit
with a clean, soft, lint-free cloth, slightly dampened with fresh water.
5.3 LCD FILTER SURFACE CLEANING
In time, the surface of the LCD FILTER (screen) may accumulate a film of
contaminants, which tend to dim the picture. A good glass cleaner and a soft
cloth or towel can be used to clean the LCD display, the keyboard and the
display cabinet.
5.4 FUSE
A fuse seldom blows without some cause. Even if a fuse is replaced and it does
not immediately blow again, it may still be necessary to make further checks on
its associated circuits. If necessary, replace the 5 A fuse (Normal-brow type) in
the power cable.
MAINTENANCE