Tyco Electronics M7100IP Manuale Utente

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14  PROJECT 25 (P25) 
CONVENTIONAL OPERATION 
14.1 
GROUP CALLS IN P25 MODE 
14.1.1 
Transmitting a Group Call 
1.  Select the desired P25 system.  
2.  Select the Talk Group/Conventional Channel. (Selected simultaneously using either the 
system/group/channel knob or the group key.) 
3.  Press and hold the PTT. 
4.  When a grant tone is received (if enabled through programming), speak into the microphone. 
5.  Release PTT and wait for response. 
14.1.2 
Receiving a Group Call 
The radio will unmute according to the squelch mode defined in the radio personality (monitor, 
normal, selective). 
1.  Select the desired P25 system and Talk Group/Channel or turn scan on and make sure the 
desired channel is in the scan list. 
2.  When the radio receives a P25 call, the radio will unmute and the channel name will appear in 
the display. 
3.  Press the PTT button to respond. 
14.2 
INDIVIDUAL CALLS IN P25 MODE 
14.2.1 
Transmitting an Individual Call 
1.  Select the desired P25 system.  
2.  Select the radio unit to call (callee source ID) from the pre-programmed individual call list or 
enter the ID number on the radio keypad. 
3.  Press and hold the PTT. 
4.  When grant tone is received (if enabled through programming) speak into the microphone. 
5.  Release the PTT. 
14.2.2 
Receiving an Individual Call 
The radio will unmute according to the squelch mode defined in the radio personality (monitor, 
normal, selective). 
1.  Select the desired P25 system and Talk Group/Channel or turn scan on and make sure the 
desired channel is in the scan list. 
2.  When the radio receives a P25 call, the radio will unmute and the ID of the transmitting radio 
will appear in the display. 
3.  Press the PTT button to respond. 
Unanswered calls will appear in the Who Has Called (WHC) list.