To prevent the enemy from using or salvaging this equip ment for his benefit. WHEN —When ordered by your commander. HOW —r. Smash—Use sle-dges, axes, handaxes, pickaxes, ham mers, crowbars, heavy tools. 2. Cut —Use axes, handaxes,…Historic43 pagesComms Signal
The purpose of Range Calibrator I-223-A (fig. 1) is to provide means for checking and adjusting the range measuring circuits of a pulse-operated radar apparatus. The range calibrator is used to calibrate, at a number of selected points,…Historic64 pagesComms Signal
to functioning of parts 14 29 Voltage-amplifier stage using tube V-3 15 31 Tone-generator channel 16 34 Voltage-amplifier stage using tube V-1 17 36 Voltage-amplifier stage using tube V-1 with booster input through jack J-5 18 36…Historic99 pagesComms Signal
11-2531A TO 31S1-2TIQ3-1 Figure 21.1. (Added) Audio Frequency Amplifier AM-700A/TIQ-3, bottom view of chassis, identification of parts other than resistors and tube sockets (fig. 20.1). HI IMP. PHONO INPUT and the impedance is 25,000 ohms.…Historic105 pagesComms Signal
Section I. GENERAL 1. Scope a. These instructions are published for the in- formation and guidance of the personnel to whom this equipment is issued. ‘They contain a descrip- tion of the equipment; information on operation, organizational…Historic104 pagesComms Signal
RESTRICTED SECTION DESCRIPTION 1. PURPOSE. The Speak-O-Phone Sound Detector, Model SDB, enables the operator to listen to conversations without the knowledge of those speaking. The equipment is adapted for use under four different…Historic26 pagesComms Signal
heatstone), McElroy evice using Wheatorse characters at ds per minute. Two n electronically e. A block diagram f Relay his equips keying bias voltage or nsmitter. y Carrier e used with approlegraph transmitters through which d polarized…Historic60 pagesComms Signal
RESTRICTED. BISSEMINATION OF RESTRICTED MATTER. 11 in restrict&d documents and tha essen tial characteristics of restricted materiel may be given to any person known to be in the service of the United States and to persons of undoubted…Historic31 pagesComms Signal
SECTION I DESCRIPTION OF PUBLIC ADDRESS SET AN/PIQ-1 1. DESCRIPTION. Public Address Set AN/PIQ-1 (fig. 1) is a portable electroacoustic system consisting of an Amplifier AM-74, Battery Tray MT-352, Loudspeaker LS-110, Microphone M-8, and…Historic67 pagesComms Signal
4. Description of Components a. Case (fig. 2). An olive-drab-finished wooden case contains and protects the parts of the battery tester. A nonremovable cover is hinged to the case. A composition gasket is assembled to the upper edge of the…Historic33 pagesComms Signal
Annunciators and buzzers (annunciator sig- naling) are provided on some types of master stations; voice-type signaling is used on others. The annunciator provides a visual signal at the called master station and simultaneously identifies…Historic80 pagesComms Signal
B-1!. Scope This appendix lists only basic issue items required by the crew/operator for installation, operation, and maintenance of Public Address Sets AN/TIQ-2, AN/TIQ-2A, and AN/TIQ-2B.Historic226 pagesComms Signal
OPERATING INSTRUCTIONS FOR TYPE 715-A DIRECT-CURRENT AMPLIFIER PART 1 PURPOSE The Type 715-A Direct-Current Ampli- -fier is designed to be used as a calibra—- ted d-c millivolt meter or microammeter in the measurement of small d-c voltages…Historic20 pagesComms Signal
SECTION II INSTAllATION OF RADIO SET AN/PRT.l 7. UNPACKING. UNCRATING. AND CHECKING. Three boxes are used to ship Radio Set ANjPRT-l. Each box should be opened carefully with the proper tools. Steel strapping can be broken easily with a…Historic30 pagesComms Signal
WARNING HIGH VOLTAGE is used in the operation of this equipment DEATH ON CONTACT may result if operating personnel fail to observe safety precautions SAFETY NOTICE Voltages as high as 4,700 volts are used in the operation of this equip-…Historic482 pagesComms Signal
The information contained in restricted documents and the essential characteristics of restricted material may be given to any person known to be in the service of the United States and to persons of undoubted loyalty and discretion who…Historic49 pagesComms Signal
Section GENERAL 1. Scope a. This technical manual contains a descrip- tion of Control Unit C-292(*)/TRA-7 (fig. 1) and its operating controls, a chapter on theory of operation, and instructions for field maintenance and repair of the…Historic122 pagesComms Signal
WAR DEPARTMENT TECHNICAL MANUAL TM H- 2621 REMOTE. CONTROL EQUIPMENT AN/TRA-2 WAR DEPARTMENT 24 AUGUST 1944 RESTRICTED. DISSEMINATION OF RESTRICTED MATTER. he information contained in restricted documents and ts essential characteristics…Historic90 pagesComms Signal
WHR DEPARTMENT TECHNICAL MANUAL TM 11-2626 TEST UNIT I-176 VeAgh ee (Dale bed Khe DOVE ON oh Jal ama Use La Ye eel Od e7 RESTRICTED. DISSEMINATION OF RESTRICTED MATTER. The information contained in restricted documents and the essential…Historic52 pagesComms Signal
SUPPLEMENT JUNE 1953 SUPPLEMENT TO HAND BOOK (US-TM II-263) for RADIO SET AN/GRC-9 The following information, published on order : DA-91-557-Euc 2, supplements the hand book for ANG/RC-9. The serial numbers of the equipment covered in this…Historic36 pagesComms Signal
To prevent the enemy from using or salvaging this equipment for his benefit. — WHEN— When ordered by your commander. HOW— 1. Smash—Use sledges, axes, handaxes, pickaxes, hammers, crowbars, heavy tools. 2. Cut—Use axes, handaxes, machetes.…Historic31 pagesComms Signal
The information contained irf restricted documents and the essential characteristics of restricted materiel may be given to any person known to be in the service of the United States and to persons of undoubted loyalty and discretion who…Historic32 pagesComms Signal
HE Manual of Radio Frequency Measurements is writ- ten principally around the types 100-A and 160-A Q- Meters. The same general measurement technique described in the Manual is also applicable to the type 170-A. Special pre- cautions…Historic52 pagesComms Signal
SECTION I. DESCRIPTION 1. PURPOSE AND USE. Test set (Espey model 100), hereafter referred to as "the test set" is a multi-range combination test instrument designed to measure voltage, current, and resistance. a. D-c Voltage Measurements.…Historic64 pagesComms Signal
1. Scope a. This appendix lists items supplied for initial operation and for running spares. The list includes tools, accessories, parts, and material issued as part of the major end item. The list includes all items authorized for basic…Historic108 pagesComms Signal
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