TABLE OF CONTENTSiiIMPORTANT .......................................................................... iTABLE OF CONTENTS ........................................................ ii1 PANEL DESCRIPTION................................................1–9■ Front, top and side panels ............................................1■ Function display ...........................................................3■ LED indicator ................................................................4■ Programmable function keys ........................................52 BASIC OPERATION ................................................10–19■ Selecting a channel ....................................................10■ Receiving and transmitting .........................................10■ Emergency Call ..........................................................12■ Lone Worker Emergency Call.....................................13■ Man Down Emergency Call ........................................13■ Motion Detection Emergency Call ..............................13■ User set mode ............................................................14■ Setting the Beep function ...........................................16■ Setting the Beep level ................................................17■ Setting the Ringer level ..............................................18■ Setting the microphone gain ......................................19■ Setting the squelch level ............................................193 MDC 1200 SYSTEM OPERATION ..........................20–22■ MDC 1200 system operation ......................................20■ Receiving a call ..........................................................20■ Transmitting a call .......................................................22