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Carrier Control Timer
If the programmed time for continuous
transmission is exceeded, five short high-pitched
warning tones followed by a long low-pitched tone
will be heard. The transmitter will shut down shortly
after hearing the alert, interrupting communications.
Release and re-key the PTT button to maintain
communications. This will reset the carrier control
timer and turn the transmitter back on.
Low Battery Warning
A low-pitched tone is heard and comes on
indicating that the battery voltage is low. Double
tones are then heard until the PTT or CLEAR button
is pressed.
Low Battery Alert (Transmit Lockout)
If the radio is keyed and a double tone is heard
as well as
LOW BATT is displayed, the battery is
discharged beyond the point where the radio will
transmit. The radio will still be able to receive calls
until the battery is discharged beyond the point of
operation, after which the battery will need to be
recharged to resume normal operation.
Key Press Alert
A short tone or "beep" sounds to indicate a key
has been pressed. A short low-pitched tone indicates
the key is not active in the current mode.