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IMPORTANT .......................................................................... i
1 PREPARATION..........................................................1‒10
n Programmable key functions ........................................ 1
2 ANALOG MODE OPERATION ................................11‒14
n Tone Signaling ............................................................ 11
n TX Code CH Selection ...............................................11
n DTMF transmission ....................................................12
n Scrambler function .....................................................12
n Emergency transmission ............................................13
n Man Down Emergency Call
(Handheld transceivers only) ......................................14
3 MDC 1200 SYSTEM OPERATION .......................... 15‒24
n MDC 1200 system operation ...................................... 15
n Receiving a call ..........................................................15
n Transmitting a call ....................................................... 19
n Man Down Emergency Call
(Handheld transceivers only) ......................................24
n Status message transmission ....................................24
4 APCO P25 MODE OPERATION .............................25‒61
n General.......................................................................25
n Control Channel Hunt function
(P25 Trunking mode only) ..........................................26
n Control Channel Band Scan function
(P25 Trunking mode only) ..........................................28
n Roaming function (P25 Trunking mode only) .............30
n Site Lock function (P25 Trunking mode only) .............30
n Site Select function (P25 Trunking mode only) ...........31
n Individual call ..............................................................31
n Talkgroup call..............................................................33
n Pager function ............................................................35
n Radio Inhibit function ..................................................37
n Radio Uninhibit function .............................................39
n Remote Monitor function ............................................41
n Radio Check function .................................................43
n Status Message .........................................................45
n Short Message ...........................................................47
n Status Query function .................................................49
n Phone call ..................................................................51
n Announcement function ............................................53
n Emergency transmission ............................................54
n Man Down Emergency Call
(Handheld transceivers only) ......................................56
n Talk Back function .......................................................57
n Encryption function .....................................................58
n OTAR function ............................................................59
n DR (Dynamic Regrouping) function............................61
n Talkgroup Scan function .............................................61
5 TACTICAL GROUP FUNCTION .............................. 62‒65
n Tactical Group function ............................................... 62
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