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6.14.1
Selecting Secure Transmissions
Procedure:
Turn the preprogrammed Secure/Clear switch to the secure position.
•
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.
6.14.2
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.
6.14.3
Managing Encryption
This chapter explains the encryption feature on your radio.
6.14.3.1
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.
MN004476A01-AE
Chapter 6: Advanced Features
85
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