Tyco Electronics M7100IP ユーザーズマニュアル

 

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Also referred to as "direct mode," talk-around provides a direct unit-to-unit short-range 
communications link. It is intended to maintain communications outside of the main
system coverage area.  

-   This feature allows the user to initiate or receive telephone calls through the radio if 

the system is configured for this operation (Trunked Mode Only).  

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A radio communications path shared by two or more users.  

-   Trunked Operation refers to the use of a set of radio frequency channels by multiple 

user groups. By using high-speed digital data, the radio goes to an unused channel 
when a call is initiated and responds only to calls in the same user group. In this way,
conversation privacy between user groups is assured.  

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A radio system in which a limited number of radio channels are dynamically allocated
to groups of people for communication purposes.  

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A set of one or more trunked groups.  

-   Type 99 - a method of opening mute for selective page operations using sequential 

tones.  

-   A programmed option that ensures all system-scanning mobile and portable radios 

have time to lock onto the call before the initiating unit is allowed to talk.  

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A radio channel (transmit/receive frequency pair) that is automatically assigned by the
site controller for voice or data communications.