Tyco Electronics M7100IP Series, Operator'S Manual

Page: 58 / 80

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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.