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Conversation Time-Out Tone
Calls are limited to a certain length by the system. Thirty
seconds before this time is reached, a "tick" begins sounding
each second. When the thirty-second period expires, the
call is automatically terminated.
Turn-Around Tone
This is a single beep which may be used to indicate to the
landside party when to respond to your transmission. It
sounds when you release the
P-T-T
bar, and you may
partially hear this tone.
System Ringback Tone
If in first available system scan mode or after receiving
a "busy" indication when attempting to access a system
(trunking or conventional), the TM-4800 will emit ring
for one second to indicate a system is now available.
