Carrier control timer:        1 of 2

Enter the desired time of operation
of the Carrier Control Timer.
Values from 0.5 minutes to 7.5
minutes in .5 minute increments may
be entered.

To disable it entirely enter 0.
                             
It will cause the transmitter to
shut-off with a series of warning
beeps if the radio is transmitting
                              2 of 2
longer than the timer value.
