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5. CUSTOMIZING YOUR UNIT
5-4
Contents of radar display setup menu
Item Description Settings
EBL
Reference
References EBL bearing, shown in the
EBL data box, to North (True) or
heading (Relative). Relative with no
heading input. True only in course-up,
north-up and true motion.
True, Relative
Cursor
Position
Chooses how to display cursor position.
Note: “RNG & BRG-TRUE” requires
heading data, true bearing. Reverts to
relative bearing when heading data is
lost.
LAT/LON:
Lat/Long position of cursor
TD:
Loran C or Decca TDs
RNG & BRG-REL:
Range and bearing
in relative bearing.
RNG & BRG-TRUE:
Range and
bearing in true bearing.
Tuning Selects receiver tuning method. For
further details see the paragraph “2.6
Tuning.”
Auto, Manual
Turns on/off dead sector graphic, which
shows area where no echoes are
transmitted. To set sector, select ON,
then enter start bearing from the ship’s
bow and sector. Max. sector is 135°.
Dashed lines mark the dead sector.
Note that noise may occasionally
appear in the TX sector when the echo
trail feature is turned on.
TX Sector
Blanking
Dead sector
On, Off
Noise
Rejection
Electrical noise, appearing on the
screen as “speckles,” may be
suppressed with the noise rejector.
Note that some forms of interference
cannot be suppressed.
Off, Low, High
(Con’t on next page)
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