Smiths Kelvin Hughes Nucleus 3 5000 Series, System Handbook

Page: 418 / 510

SW1 and SW2 Set tings for Azi muth Ra tios from Ta ble 8
51 Refer to Table 10, below.
Table 10 – SW1 and SW2 Settings for Azimuth Ratios from
Table 8
SW POLE
RATIO
1
128
2
64
3
32
4
16
5
8
6
4
7
2
8
1
33 OFF OFF ON OFF OFF OFF OFF ON
45 OFF OFF ON OFF ON ON OFF ON
64 OFF ON OFF OFF OFF OFF OFF OFF
90 OFF ON OFF ON ON OFF ON OFF
132 ON OFF OFF OFF OFF ON OFF OFF
Head ing Line In puts to HRC- A197 PCB (Part of HRC-
A192 Kit) or CDY- A297 PCB (Part of CDY- A55 Kit)
52 Refer to Table 11, below.
Table 11 - Heading Line Inputs to HRC-A197 PCB or
CDY-A297 PCB
HEADING LINE LINKS
RADAR 2 RADAR 1
INPUT TYPE 3 4 27 1 2 26
OPEN CONTACTS
(HRC-A192 only)
(Radar 1 as Master
only)
(Powered from this
PCB)
- - - x o x
POSITIVE GOING
PULSE
e.g. -ve 15V to 0V
0V to +5V
o x o o x o
NEGATIVE GOING
PULSE
e.g. +ve 5V to 0V
x o o x o o
NOTE:
Links 26 and 27 do not exist on CDY-A297 PCB
Video Switch Set tings on HRC- A197
53 Refer to Table 12, below.
Table 12 – Video Switch Settings on HRC-A197
VIDEO SWITCHES
INPUT POLARITY
RADAR 2
SW4
RADAR 1
SW3
+VE GOING VIDEO
(Direct or from Buffer
Amplifier)
+ve +ve
-VE GOING VIDEO
(Direct from Radar
only)
-ve -ve
NOTE:
RADAR 1 and RADAR 2 Buffer Amps (RAN-A23/* and/or
RAN-A29/*) must be set for +ve or -ve Video as required.
The output is a +ve to feed HRC-A197 PCB.
NU CLEUS DIS PLAY SET TINGS -
COM MIS SION ING
54
Implement the following:
(1) Set Radar Display to ON.
(2) Make Link 26 on Display System PCB (Grid A3).
(3) From STANDBY screen, select INSTALLATION
menu box.
(4) Position cursor in the DISPLAY box. Slave,
Master, Other, may be chosen.
(5) Select OTHER option. Single Tx, Master Slave
Interface, Dual Interswitch, may be chosen.
(6) Select Master Slave Interface. A and B Outlines
show. (Azimuth is auto set to 4096).
(7) Move cursor to A and select.
(8) Move cursor to lower left hand area of A outline to
get Slave, Master, Other, choice.
(9) Select Master or Slave as required for Radar 1.
Radar 2 is preset to Slave.
(10) Remove Link 26.
(11) Exit Menu.
(12) When the Transmitter Ready Indicator is ON, SET
RADAR DISPLAY to RADAR A, and SHORTEST
RANGE.
Set tings On Sys tem PCB (HRC-A159 for 6000, HRC-A160
for 5000, HRC-A343 for 5000A)
55 Implement the following:
(1) Set RV5 (Sync Delay, Grid H5) to MINIMUM
(Anti-clockwise).
Original 8a.15 May 01
KH 2020
Chap 8a