• 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 does not transmit until you set the
Secure/Clear
switch to the clear position.
• If the “Ignore
Secure/Clear
Switch when Strapped” programming option is enabled, the radio
transmits without displaying any messages in the strapped mode of operation, regardless of
the
Secure/Clear
switch setting. This option must be preprogrammed by a qualified radio
technician.
• The
Secure/Clear
switch only applies when the radio is transmitting.
6.16.2
Selecting Clear Transmissions
Procedure:
Turn the preprogrammed
Secure/Clear
switch to the clear position.
• 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 does not transmit until you set the
Secure/ Clear
switch to the secure position.
• You can request to configure the radio to ignore the clear voice or insecured transmission
when the radio is in secured transmission. Check with your agent for details.
• If the “Ignore
Secure/Clear
Switch when Strapped” programming option is enabled, the radio
transmits without displaying any messages in the strapped mode of operation, regardless of
the
Secure/Clear
switch setting. This option must be preprogrammed by a qualified radio
technician.
• The
Secure/Clear
switch only applies when the radio is transmitting.
6.16.3
Managing Encryption
This chapter explains the encryption feature on your radio.
6.16.3.1
Loading Encryption Keys
Prerequisites:
• Refer to the
Key Variable Loader (KVL) manual
for equipment connections and setup.
Procedure:
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.
NOTICE:
If the Multi-system Over-the-Air Rekeying feature is in use, the ASTRO profile name is
displayed below
Keyloading
.
2
Select the required keys and press
Load
on the KVL.
The KVL indicates that keyload is successful.
MN003110A01-AK
Chapter 6: Advanced Features
73