Tyco Electronics P5200 사용자 설명서

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3.  A telephone ring will be heard from the speaker. When someone answers the phone, press the PTT 

button and speak into the microphone. Release the PTT button to listen to the callee. Unsuccessful 
interconnect signaling returns the radio to the normal receive mode and the number remains displayed 
until the special call is cleared or the time-out expires or another group or system is selected. 

Terminate a call by pressing the 

 button. 

 

 

In half-duplex mode, only one person may talk at a time. The radio PTT button needs 
to be pressed in order to communicate to the individual called and released for the 
individual called to be heard. 

1.  If the phone number is not stored in the pre-stored list of phone numbers, but the phone number is 

known, it can be entered directly from the keypad. Start by pressing the 

, then enter the required 

number from the keypad. 

 

 

The last number directly entered can be recalled by first pressing 

 then pressing the 

PTT button. 

2.  A telephone ring can be heard from the speaker. When someone answers the phone, press the PTT 

button and speak into the microphone. Release the PTT button to listen to the individual called. 
Unsuccessful interconnect signaling returns the radio to the normal receive mode and the number 
remains displayed until the special call is cleared or the time-out expires or another group or system is 
selected. 

3.  To terminate the call, momentarily press the 

 button. 

Once the radio has established a connection to the public telephone system, it may be necessary to “over-
dial” more digits to access banking services, answering machines, credit card calls, or other types of 
systems that require Dual-Tone Multi-Frequency (DTMF) access digits. 

Overdial operation can also be used to initiate a telephone interconnect call via DTMF signalling if a dial 
tone has already been accessed on the system. This method makes a telephone interconnect call while 
operating in the conventional mode but will also function in trunked mode if a dial tone is directly 
accessible. 

Telephone numbers and other number sequences for overdialing can be stored in the phone list when 

programming the radio. These numbers are accessed by pressing 

, then following the selection mode 

rules. The following steps are required to dial these numbers: 

1.  Follow the procedure in Section 9.24.2 to establish a connection to the telephone system or consult 

the system administrator for the procedure to access a dial tone on the trunked or conventional 
system.  

2.  Overdial numbers are transmitted by entering the phone mode using the 

 button.