Note:
If the selected channel is preprogrammed
for clear-only operation, when you press the
PTT
button, you hear an invalid mode tone and the
display shows
Clear TX only
.
The radio will not transmit until you set the
Secure/Clear
switch to the clear position.
Selecting Clear Transmissions
Turn the preprogrammed
Secure/Clear
switch to
the clear position.
Note:
If the selected channel is preprogrammed
for secure-only operation, when you press the
PTT
button, you hear an invalid mode tone and the
display shows
Secure TX only
.
The radio will not transmit until you set the
Secure/ Clear
switch to the secure position.
The radio can be configured to ignore the clear
voice or insecured transmission when the radio is
in secured transmission. Check with your agent for
details.
Managing Encryption
Loading an Encryption Key
Note:
Refer to the key-variable loader (KVL) manual
for equipment connections and setup.
1
Attach the KVL to your radio.
The display shows
Keyloading
, and all other
radio functions, except for power down, backlight,
and volume, are locked out.
2
Select the required keys and press the
Menu
Select
button directly below
LOAD
on the KVL.
This loads the encryption keys into your radio.
When the key has been loaded successfully, one of
the following scenarios occurs:
• You hear a short tone for single-key radios.
• You hear an alternating tone for multikey radios.
Multikey Feature
This feature allows the radio to be equipped with
different encryption keys and supports the DES-OFB
algorithm.
There are two types:
Advanced Features
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