Selecting Clear Transmissions; Managing Encryption - Motorola APX 7000 User Manual

button, you hear an invalid mode tone and the
display shows CLR TX.
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 SEC TX.
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 KEYLOAD, 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:
Conventional The encryption keys can be tied
Multikey (strapped), on a one-per-channel
basis, through Customer
Programming Software. In addition,
you can have operator-selectable
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