Getting to Know Your Radio
Alert Tones (Secure-Equipped Radios Only)
Your secure-equipped radio uses alert tones to let you know the
condition of security features.
Type of Tone
One beep
immediately after
PTT button press
Six medium-
pitched tones
Six medium-
pitched tones
(continuous)
Six medium-
pitched tones on
radio power-up
Six medium-
pitched tones
every five to ten
seconds
Consecutive,
medium-pitched
tones
12
Indication
Indicates clear transmission on
secure-equipped radio.
Keyfail. Encryption key lost or
erased.
Keyfail. Radio set in secure
position. PTT is being pressed.
Encrypted operation problem.
Radio is set to either clear or
secure.
Encrypted operation problem.
PTT button not being pressed.
Loss of encryption key during
secure operation.
Action
Reload key.
Set radio to clear,
or select a clear
mode, or reload
key.
Reload key.
Set radio to clear,
or select a clear
mode, or reload
key.
Reload key.