2.11
Secure Operations
Secure radio operation provides the highest commercially available level of voice security on both
trunked and conventional channels.
By default, the radio automatically enters the encrypted environment without having to manually select
or clear the secure transmission.
2.11.1
Enabling Secure Transmission
Procedure:
1 or to Sec and press the Menu Select button directly below Sec.
The display shows
and the current key if multi-key has been enabled.
2 Monitor the mode to be sure it is not in use.
3 Press PTT button to transmit.
NOTICE: If the selected channel is preprogrammed for clear-only operation – when you
press the PTT button, an invalid mode tone sounds and the display shows Clear TX
only.
The radio does not transmit until you disable the secure mode.
The radio can be configured to ignore the clear voice or unsecured transmission when
the radio is in secured transmission. Check with your agent for details.
2.11.2
Accessing the Secure Feature
Procedure:
1 or to Sec.
2 Press and hold the Menu Select button directly below Sec to display Secure feature screen.
The display shows the Secure screen.
2.11.3
Managing Encryption
This chapter explains the encryption feature on your radio.
2.11.3.1
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.
6875946M01-JK
Advanced Features
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