Tyco Electronics MM23016 ユーザーズマニュアル

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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. 

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. 

 

There is no method available for a system-wide Emergency clear. An emergency group call 
must be cleared on each individual radio. 

1.  Select the desired P25 system and Talk Group/Channel. 

2.  Press the red emergency button on the top of the radio. The radio will broadcast a short emergency 

transmission with the emergency bit set. “TXEMER” will appear in the display of the transmitting 
radio. 

3.  To send a voice message, press the PTT and speak into the microphone. 

4.  To clear an emergency from the transmitting radio, perform one of the following steps: 

a.  Change systems. 

b.  Change channels (if not prohibited by programming). 

c.  Cycle power by turning radio off and then back on. 

d.  Press the Clear and Emergency buttons simultaneously, providing the Clear Emergency option is 

enabled in the Supervisory Options in the personality.