(13) Receiver Tuning:
Indicated by bar
-
graph marks on
CRT
by
microcomputer control
9CD
-
3349
(10
m)
(14)
Inter
-
connection
Cable:
Range
0.125
0.25
0.5 0.75
1.5
3
6
12
24
Scale
(NM)
Ring 0.0625
0.125
0.25 0.25 0.25 0.5
1
2
4
Interval
(NM)
Number of
2
2
2
3 6
6
6666
Rinqs
6.1.3 Display
Unit
(1)
Display system:
(2)
CRT:
10
-
inch rectangular monochrome
CRT
(3)
Range
scale and range rings:
PPI
presentation on raster
-
scan base
36
6
(4)
Variable Range Markers
(VRM)
:
Numerical Display: Four digits
Accuracy
:
Within
+/
-
1.5%
of setting
range,
or
+/-SO
meters,
whichever greater
Unit
:
NM
/
KM
/
SM (selectable)
vRM2:
vRM2
is
selectable at
SET
UP
(5)Electronic Bearins Lines
(EBL)
:
mode.
-
Steps
:
0.2
degree steps
EBL2
:
EBL2
is
selectable at
SET
UP
mode.
Display Modes:
Heading Up:
nu
Following display modes are selectable at
SET
UP
mode.
Head Set:
HS
North Up:
NU
(*I
Course Up:
cu
(*)
(The
*
mark modes are available only when compass
is
connected.
)
Display brightness of echoes: Four levels
Off
-
centering:
60%
forward or
60%
backward of the setting range
Guard Zone:
Setting range: 0.5
NM
or
more
Setting bearing: Approx.6 degree steps
Setting area: Selectable from four patterns
Zone width:
0.4
NM
(fixed)
(10)
Interference Rejector
(IR)
:.
Buiit
-
in
6.1.4
Interface Signals
(1)
Output radar signals for Radar Monitor.
(a) Video signal: Negative polarity
Raw signal from
LOG
IF amplifier
Max.3 Vp
-
p,
Zo=
50
ohm
(b)
Radar
trigger: Positive polarity
10
Vp
-
p,
1.2
ps
pulse width
Zo=
50
ohm
1080
(200,
360, or 2048) pulses/rev
(c) Eearing Signal:
TT
L
level pulse
..
-
ion
6
-
2
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