Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
VK, VK-2, -3, -3a, -4, -4a, -5
Video Input:
Siting: Locate for freedom of movement of operating and
VK, VK-2, VK-3, VK-4a, VK-5 - +1 to +2.5v
service personnel.
Space allowance should be
VK-3a, VK-4 - +1.5 to +3v
based on dimensions when master chassis is
Trigger Input:
withdrawn.
VK, VK-2, VK-3, VK-4a, VK-5 - +5 to +50v
Mounting: VK shipped with bottom shock mounts attached.
VK-3a, VK-4 - +3.5 to +40v
An extra shock mount is included to brace VK against
Antenna and Trace Rotation: O to 60 rpm
bulkhead or vertical partition.
Unit secured to
Operating Voltages and Power Requirements:
foundation through flat steel bedplate.
Viewing
115v +10%, 60 +2 cps, 1-ph
screen can be sloped toward operator at angle of 0 to
45 deg. (Requires special bedplate).
Power Factor:
Cabling Requirements: Unit equipped with three access
VK, VK-4a - 96% lagging
cover plates for cable entry and exit.
VK-2, VK-3, VK-3a, VK-4, VK-5 - 90% lagging
Related Equipment: All standard Navy search radar
systems.
INSTALLATION CONSIDERATIONS
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
PPI Repeater
1
37-7/16
18-5/16
16-5/8
520
VK-2
Range-Azimuth Indicator
1
40
24
18
445
NT-55AKJ
Power Supply NT-20AGD
1
24-1/2
24
13-1/2
235
VK-3
Azimuth Indicator NT-55AKK
1
40
24
18
445
Power Supply NT-20AGD
1
24-1/2
24
13-1/2
235
VK-3a
Azimuth Indicator NT-55AKK-1
1
40
24
18
445
Power Supply NT-2OAGD
1
24-1/2
24
13-1/2
235
VK-4
Azimuth-Range Indicator
1
38-1/16
22-1/16
17-9/32
378
IP-172/SP
Power Supply PP-734/SP
1
24-3/16
21-1/2
13-15/16
142
VK- 4a
Azimuth-Range Indicator
1
38-1/16
23-9/16
17-9/32
392
IP-172A/SP
Power Supply PP-734B/SP
1
24-3/16
23-7/8
13-15/16
143
VK: 2
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