CHAPTER 1 INTRODUCTION - TM-55-1680-351-10_12Section II. DESCRIPTION AND DATA - TM-55-1680-351-10_13Tabulated Data - TM-55-1680-351-10_14Figure 1. SRU-21 P with ComponentsINDIVIDUAL SURVIVAL VEST SRU-21/PCHAPTER 2 OPERATING INSTRUCTIONS - TM-55-1680-351-10_18Figure 3. SRU-21/P VestAlteration Section III. USE OF COMPONENTSLight, Marker, Distress SDU-5E, W/Flash Guard AGR-FG1BSignal Kit, Foliage PenetratingMirror, Mark 3, Type 1 Emergency SignalingFigure 5. Emergency Signaling MirrorReceiver-Transmitter, Radio ARC-RT-10Revolver, .38-Caliber, SpecialSurvival Kit, Ind., TropicalSurvival Kit, Ind., Tropical cont.Knife, PocketBlanket, Combat CasualtyWhistle, ball, plasticSuggested PublicationsCHAPTER 3 RADIO SET, ANIPRC-90Operator ControlsTable 3-1. Controls, Indicators, and ConnectorsTable 3-1. Controls, Indicators, and Connectors (Cont) - TM-55-1680-351-10_37Table 3-1. Controls, Indicators, and Connectors (Cont) - TM-55-1680-351-10_38Figure 7. Radio Set AN/PRC-90, Controls and IndicatorsSection II. OPERATION UNDER USUAL CONDITIONSSection II. OPERATION UNDER USUAL CONDITIONS cont.Modes of OperationOperational Siting and Operating ProceduresFigure 8. Operational Siting Under Search Mission ConditionsOperational Siting and Operating Procedures cont. - TM-55-1680-351-10_45Operational Siting and Operating Procedures cont. - TM-55-1680-351-10_46Operational Siting and Operating Procedures cont. - TM-55-1680-351-10_47Operational Siting and Operating Procedures cont. - TM-55-1680-351-10_48Operating and Storage LimitationsOperating and Storage Limitations cont.Section III. OPERATION UNDER UNUSUAL CONDITIONSOperation in Maritime, High Altitude, or Rainy AreasAPPENDIX A REFERENCES - TM-55-1680-351-10_53