Motorola DP 4400 UHF: 

 4

PTT





 

PTT 7

. 



 8





PTT















 















.  PTT  



 1



 





 2



 

 .

 3

. PTT 



 4





5.02.5





PTT 5







.PTT

 6



28

يبرـع







 4

hot mic





Emergency Cycle





Emergency Cycle







  

Emergency Cycle

.PTT 5



PTT



PTTPTT



Emergency

PTT 

 













  

. PTT

 



 

.PTT 



 





 1

 

 2

 hot mic 

 .



 

 3

.PTT 



PTT

 















29

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