Onwa Marine Electronics KR-12X8 - Manual (Page 52)

Do not paint the radome (Model KR-1238/1538) or to ensure proper emission of
the radar waves.
When this radar is to be installed on larger vessels, consider the following
points:
(1) The signal cable run between the antenna and the display comes in lengths
of 10 m, 15 m, 20 m and 30 m. Whatever length is used it must be
(2) Deposits and fumes from a funnel or other exhaust vent can adversely affect
the aerial performance and hot gases may distort the radiator portion. The
antenna unit must not be mounted where the temperature is more than 70
.
unbroken; namely, no splicing allowed.
Mounting (KR-1238/1538)
Figure 6-1 Typical antenna unit location
Unpacking the antenna unit
1. Open the antenna unit packing box carefully.
2. Unbolt the four bolts at the base of the radome to remove the radome cover.
O N W A
Radome cover
Figure 6-2 Antenna unit
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Bolts
O N W A
ON W A