Head ing Line Cor rec tion for HRC- A290 or CDY- A297
PCB (Mas ter/Slave Syn chro or Di vide by 4)
60
Implement the following:
(1) Set SW1, SW2 and SW3 to position F.
(2) Using the Radar 2 Host Display, note the angle of
a video target with respect to the Heading Line.
Compare this with the angle seen on the Radar 2
Slave Display.
61
To correct any difference:
(1) Adjust SW1 (22.5 degree steps) anti-clockwise,
i.e. from F to D etc., until the target has been
over-adjusted. Turn SW1 back 1 step.
(2) Adjust SW2 (1.4 degree steps) anti-clockwise,
until the target has been over-adjusted. Turn
SW1 back 1 step.
(3) Adjust SW3 (0.088 degree steps) anti-clockwise
to give the final correction.
Low Ra tio Com pass PCB (HRC- A107)
62
Refer to Table 13, below.
Table 13 – Converters for Low Ratio Compass PCB
(HRC-A107)
Ref.
Volts
Phase
Volts
Frequency
Hz
Converter
Type
Output
Pulses/
Rev
Remarks
26
11.8
50 to 1200 45-657-????
(268C300)
4096
115
90
50 to 1200
45-657-1052
(268C301)
4096
S e t
t i n g s F o r D i s
p l a y S y s
t e m P C B ( H R C -
A159/A160/A343)
63
OPEN Links 10, 12, 13, 16 (Grid M5/6) on the System
PCB before switching ON.
Link And Switch Set tings For Low Ra tio Com pass PCB
(HRC- A107)
64
The LINK settings for Nucleus systems are:
(1) Link 1 MADE, Link 2 OPEN - For all ratios and
2048 pulses per rev output.
(2) For special applications outside the Nucleus
system, the links may be set to Link 1 OPEN, Link
2 MADE, to give 1:1 ratio and 4096 pulses per rev.
65
The SWITCH settings for Nucleus systems are:
(1) Set SW2 to 2 times the division ratio required. The
ON position gives the SW2 count. e.g. Set SW2 to
2 for 1:1 ratio and 72 for 36:1 ratio.
(2) Set SW1 to SW2 setting minus 1. The OFF
position gives the SW1 count. e.g. Set SW1 to 1 if
SW2 is at 2 and 71 if SW2 is at 72.
Table 14 – Compass PCB Switch Settings for Nucleus
SW1/2
POLE
1
2
3
4
5
6
7
8
Binary
Count
1
2
4
8
16
32
64
128
Ratio
1:1
SW1
“OFF”
Count=1
OFF ON
ON
ON
ON
ON
ON
ON
SW2
“ON”
Count=2
OFF ON OFF OFF OFF OFF OFF OFF
36:1
SW1
“OFF”
Count=7
1
OFF OFF OFF ON
ON
ON OFF ON
SW2
“ON”
Count=7
2
OFF OFF OFF ON OFF OFF ON OFF
Original
8a.17
May 01
KH 2020
Chap 8a
Summary of Contents for Kelvin Hughes Nucleus 3 5000 Series
Page 27: ...THIS PAGE IS INTENTIONALLY BLANK Sep 01 ii Amdt 1 KH 2020 Index Introduction ...
Page 73: ...THIS PAGE IS INTENTIONALLY BLANK KH 2020 Chap 2a July 03 2a 6 Amdt 5 ...
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Page 109: ...THIS PAGE INTENTIONALLY BLANK July 03 viii Amdt 5 KH 2020 Index Chap 1 3 ...
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Page 275: ...THIS PAGE IS INTENTIONALLY BLANK July 03 5 18 Amdt 5 KH 2020 Chap 5 ...
Page 279: ...THIS PAGE IS INTENTIONALLY BLANK Sep 01 iv Amdt 1 KH 2020 Index Chap 4 5 ...
Page 309: ...THIS PAGE IS INTENTIONALLY BLANK Sep 01 xiv Amdt 1 KH 2020 Contents Chap 7 8 ...
Page 356: ...Original 7c 19 May 01 KH 2020 Chap 7c CD 2413 Figure 16c Modulator PCB Switches Test Points ...
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