Aircraft Radio Corporation SCR-274-N, Руководство по эксплуатации, Страница: 3 / 32

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08-40SCR274-2
TABLE OF CONTENTS
Section Page
Destruction of Abandoned Materiel in the
Combat Zone ......................
iii
Unsatisfactory Report .................
iii
I. GENERAL DESCRIPTION ... , ........ 1-1-1-9
1. General ......................... 1-1
2. Equipment Supplied .............. 1-1
a.
Receiving Equipment .........
1-1
b.
Transmitting Equipment ...... 1-3
3. Equipment Required but not Supplied 1-4
II. INSTALLATION AND
ADJUSTMENT
....................
2-0-2-1
1. Installation ...................... 2-0
a.
Preliminary Procedure ....... 2-0
h.
Installation ................. 2-0
c.
Cable Connections . . . . . . . . . . . .
2-1
2. Adjustments ..................... 2-1
a.
Equipment Required .........
2-1
*
Section Page
b.
Antenna Circuit Alignment of
the Receivers .............. 2-1
c.
Tuning the Transmitters...... 2-2
d.
Calibrating the Transmitters. . . 2-2
III. OPERATION ........................ 3-1-3-2
1. Starting and Stopping Equipment. . . 3-1
a.
To Start Equipment.......... 3-1
b.
To Stop Equipment.......... 3-1
2. Operation ....................... 3-1
a.
Receiver Operation .......... 3-1
h.
Transmitter
Operation .......
3-1
IV. EMERGENCY OPERATION AND
REPAIR .......................... 4-0
1. Fuse Replacement ................ 4-0
'tI.
Fuse in Receiver Rack. . . . . . . . 4-0
b.
Fuse in Modulator Unit. . . . . . . 4-0
V. SUPPLEMENTARY DATA ......... 5-1-5-20
LIST OF ILLUSTRATIONS
Figure
1-1. Radio Set SCR-274-N -Components .....
1-2. Typical Radio Receiver with Adapter
for Local Control .................... .
1-3. Typical Radio Transmitter-Front Panel:
1-4. Radio Control Box BC-450-A for
Receivers-Front View ............... .
1-5. Radio Control Box BC-496-A for two
Receivers-Front View (Left);
Radio Control Box BC-473-A for one
Receiver-Front View (Right) ....... .
1-6. Rack FT-220-A and Mounting FT-221-A
for Receivers-Front View ............ .
1-7. Radio Control Box BC-451-A for
Transmitters-Front View ............ .
1-8. Antenna Relay Unit BC-442-A ........ .
1-9. Rack FT-226-A and Mounting FT-227-A
for two Transmitters (Left); Rack FT-
234-A and Mounting FT-232-A for one
Transmitter (Right) ................. .
1-10. Rack FT-331-A and Mounting FT-332-A
for Transmitters .................... .
1-11. Modulator Unit BC-456-B (Top View
with Shield Removed-also Bottom View
of Dynamotor DM-33-A .............. .
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iv
1-5
1-5
1-6
1-6
1-7
1-7
1-7
1-8
1-8
1-9
Figure
5-1. Test Set RC-54-A-Instruction Diagram
Page
for Receiver Testing. . . . . . . . . . . . . . . . . . 5-2
5-2. Test Set RC-55-A-Instruction Diagram
for Transmitter Testing ................ 5-3-5-4
5-3� Assembly Drawing of Cords for Test
Sets RC-54-A and RC-55-A ............ 5-5-5-6
5-4. Instruction Diagram for Testing Acces-
sories of Radio Set SCR-274-N ......... 5-7-5-8
5-5. Radio Set SCR-274-N -Installation Di­
mensions and Weight of Receivers, Racks
and Mountings ................... 5-9-5-10
5-6. Radio Set SCR-274-N -Installation Di-
mensions and Weights of Transmitters,
Racks and Mountings .............. 5-11-5-12
5-7. Aadio Set SCR-274-N-Installation Di­
mensions and Weights of Radio Control
Boxes, Antenna Relay Unit and Modu-'
lator Unit ... " .................... 5-13-5-14
5-8. Assembly Drawing of Plugs and Tuning
Shaft . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-15-5-16
5-9. Radio Set SCR-274-N -Interconnecting
Diagram ....................... " 5-17 -5-18
5-10. Radio Set SCR-274-N�Typical Intercon-
necting Wiring Diagram .......... " 5-19-5-20
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