Motorola APX 4000Li, User Manual

Page: 68 / 102

Selecting Clear Transmissions
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.
Managing Encryption
This chapter explains the encryption feature on your radio.
Loading an Encryption Key
NOTICE:
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 the radio sounds a short tone for single-key
radios.
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