January 2016
Beginner to intermediate
430 pages
22h 38m
English
Content preview from Radar and ARPA Manual
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116
RADAR AND ARPA MANUAL
observers gain experience of the use of both mono-
chrome and colour raster-scan radars at sea.
Synthetic afterglow (see Section 2.6.7.5), sometimes
referred to as
target tracks
or
trails,
is shown in a colour
which contrasts with the background, for example
black on blue or blue on black.
Assimilation of picture information is assisted by
using a separate colour for the graphics associated with
range and bearing measurement, for example range
rings, variable range markers, electronic bearing lines,
heading markers, bearing scales and data readouts.
The use of red as a warning colour for selected graph-
ics or data suggest ...
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