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 TM 55-1905-223-10
7
Modulator transmitter/receiver (29). The Modulator Transmitter/Receiver (RT-1342B) transmits and
receives radar signals at 50 kW in X band.
8
Radar distribution panel (30). Radar power distribution panel (SB- 4183/SPS-64(V)) receives power
from Radar Isolation Transformer (31) and distributes to radar equipment.
9
Radar isolation transformer (31). The isolation/stepdown transformer unit stabilizes ship's power
current to radar power supply.
10
Radar interswitch (32). Interswitch (SA-2308/SPS-64(V)) allows selection of either radar antenna for
the 10 cm or 3 cm radar units.
11
Radar display (33). The Radar Display (IP-1469/SPS-64(V)16) provides azimuth range indicator
with RAYPATH AUTOMATIC RADAR PILOTING AID (ARPA).
12
Gyro compass (34). Gyro Compass MK 27 MOD 1, located on the starboard sidehof pilothouse,
t e
indicates true ship's heading.
13
Pilothouse control console cabinet (35). Cabinet for the pilothouse console.
14
Helm (36). Rudder control wheel for follow-up mode steering.
15
Radar display (37). The Radar Display (IP-1469/SPS-64(V)17) provides azimuth range indicator
with Raypath ARPA.
16
Gyro compass transmission unit (38). Transmission unit MK 37 MOD E provides gyro compass
heading data to bearing repeaters, auto pilot, radars, omega equipment, and radio direction finding
equipment.
17
Power transfer unit (39). Transfers 24 Vdc from power converter to gyro compass equipment.
During loss of ship's service power, applies battery 24 Vdc to gyro compass equipment.
18
Emergency lifeboat transceiver (40). Emergency transceiver (403A) is to be utilized from a lifeboat.
Transmits emergency distress signals and receives return signals. The unit is powered by a hand
crank.
19
Modulator transmitter/receiver (41). The Modulator Transmitter/Receiver (RT-1241A) transmits and
receives radar signals at 50kW in S Band.
20
and the relay transmitter.
21
Power converter (43). Power converter MK 27 MOD 1 converts ship's service 120 Vac power to 24
Vdc and supplies the dc power to the Power Transfer Unit.
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