iiiTABLE OF CONTENTSFOREWORD ..................................................................................iEXPLICIT DEFINITIONS ................................................................iPRECAUTIONS ............................................................................. iiTABLE OF CONTENTS ................................................................ iii1 ACCESSORIES ....................................................................1–4■ Supplied accessories ............................................................1■ Accessory attachments .........................................................12 PANEL DESCRIPTION ......................................................5–11■ Front, top and side panels.....................................................5■ LED indicator ........................................................................7■ Programmable function keys .................................................83 BASIC OPERATION.........................................................12–22■ Turning power ON ...............................................................12■ Channel selection ...............................................................13■ Call procedure.....................................................................14■ Receiving and transmitting ..................................................15■ Setting the microphone gain ...............................................18■ Setting the squelch level .....................................................19■ Output power level selection ...............................................20■ Priority A channel selection.................................................20■ MDC 1200 system operation ..............................................20■ Emergency Call...................................................................21■ Lone Worker Emergency Call .............................................22