Advanced Wireless Communications AWR-D7000, Руководство пользователя

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Retransmission time: This is the time set in programming that
denotes the period from when the time out timer expires to when the
user may transmit again. The radio will not be able to transmit until this
time expires. Pressing the PTT will sound a warning tone.
Reset time: If the PTT is released before the timeout timer expires,
the timer restarts the count once the PTT is pressed again.
Single call, Group call, All call
Single call (private / individual call): A call made by one user to
another user.
Group call: A group call is made by one user to many users in the
same group.
All call: A user makes a call to All users. All Calls are special groups
that encompass all the users on a channel. It is is considered a high
level call meant for special uses and users. The All Call group
ID is 16777215.
CTCSS / CDCSS
CTCSS features: CTCSS is sub-audible signaling used in analog
operation to limit users to those with matching signaling. Reduces
interference on a channel by selectively opening the radios audio gate.
CDCSS features: CDCSS uses digital signaling in analog operation
to limit users to groups with like signaling.
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