Sound Ranging Set GR-3-C
Publisher: U.S. G.P.O.
Published: 1943
Place of publication: Washington, D.C., USA
Language: eng
Description: TM 11-444 Sound Ranging Set GR-3-C, 1943-06-12
Table of contents: title: CONTENTS; title: SECTION Paragraph; title: I. DESCRIPTION; title: Use and characteristics 1; title: Major components 2; title: Packing of major components 3; title: Description of central station equipment 4; title: Description of microphone equipment 5; title: Description of outpost equipment 6; title: II. INSTALLATION AND OPERATION; title: Initial procedure 7; title: Installation 8; title: Cords 9; title: Batteries 10; title: Fuses, vacuum tubes, and lamps 11; title: Switchboard BD-62-(#) 12; title: Control Board BD-85-(*) 13; title: Oscillograph Equipment IE-14-(*) 14; title: Relay Unit BK-9-(#) 15; title: Protector AR-8 16; title: Microphone equipment 17; title: Outpost equipment 18; title: Preliminary over-all tests 19; title: Operation 20; title: III. FUNCTIONING OF PARTS; title: Switchboard BD-62-(#) 21; title: Control Board BD-85-(*) 22; title: Relay Unit BK-9-(*) 23; title: Oscillograph Equipment IE-14-(*) 24; title: Oscillograph Unit M-166-A 25; title: Microphone T-21-(#) 26; title: Protector AR-8 27; title: Cord CD-2 50-A 28; title: Outpost equipment 29; title: IV. MAINTENANCE; title: General 30; title: Care and cleaning 31; title: Circuits 32; title: Relays 33; title: Microphone T-21-(#) 34; title: Control Board BD-85-(*) 35; title: Relay Unit BK-9-(*) 36; title: Switchboard BD-62-(#) 37; title: V. SUPPLEMENTARY DATA; title: List of replaceable parts 38; title: Parts list 39; title: Index of manufacturers 40; title: This Tecnhical manual supersedes TM 11-444 dated 25 January, 1943.; title: ILLUSTRATIONS; title: Figure Page; title: 1 Sound Ranging Set GR-3-C, recording equipment assembly 4; title: 2 Oscillograph Equipment IE-14-( *), top view with covers removed 6; title: 3 Oscillograph Equipment IE-14-(*), side view with covers removed 8; title: 4 Galvanometer magnet assembly, Cord CD-475, and Oscillograph Unit M-166-A 10; title: 5 Chest CH-40-(*), showing pistonphone and 5 Microphones T-21-(*) 12; title: 6 Chests CH-44-(*), CH-45-(*), CH-46-(*), CH-47-(*), CH-48-(*), and Cover BG-74 14; title: 7 Protector AR-8 (disassembled) and Cord CD-2 50-A 16; title: 8 Microphone T-21-(*) and Insulating Bag BG-97 18; title: 9 Microphone Shelter BE-66-A 18; title: 10 Outpost equipment — Outpost Unit BE-51, Outpost Connecting Box BE-71, and Telephone EE-8-(#) 20; title: 11 Outpost wiring diagram 32; title: 12 Switchoard BD-62-(*), rear view 36; title: 13 Switchboard BD-62-(#), circuit diagram 38; title: 14 Control Board BD-85-(*) (rear view) and Relay Unit BK-9-(#) 40; title: 15 Control Board BD-85-(*), circuit diagram 42; title: 16 Relay Unit BK-9-(*), circuit diagram 43; title: 17 Oscillograph Equipment IE-l4-(*), circuit diagram 44; title: 18 Microphone T-21-(*), disassembled 46; title: 19 Microphone T-21-(*), circuit diagram 48; title: SAFETY NOTICE; title: THIS EQUIPMENT USES VOLTAGES HIGH ENOUGH TO BE DANGEROUS TO HUMAN LIFE. DON'T ATTEMPT ANY REPAIR OR ADJUSTMENT WITHIN THE EQUIPMENT WHILE THE CURRENT IS ON. DON'T UNDERTAKE THE REPAIR OF THIS EQUIPMENT OR ITS ASSOCIATED COMPONENTS UNLESS YOU ARE AUTHORIZED TO DO SO.