User`s guide

12
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 Indication Action
One beep
immediately after
PTT button press
Indicates clear transmission on
secure-equipped radio.
Six medium-
pitched tones
Keyfail. Encryption key lost or
erased.
Reload key.
Six medium-
pitched tones
(continuous)
Keyfail. Radio set in secure
position. PTT is being pressed.
Set radio to clear,
or select a clear
mode, or reload
key.
Six medium-
pitched tones on
radio power-up
Encrypted operation problem.
Radio is set to either clear or
secure.
Reload key.
Six medium-
pitched tones
every five to ten
seconds
Encrypted operation problem.
PTT button not being pressed.
Set radio to clear,
or select a clear
mode, or reload
key.
Consecutive,
medium-pitched
tones
Loss of encryption key during
secure operation.
Reload key.