Accessing The Secure Feature; Selecting Secure Transmissions; Managing Encryption; Loading Encryption Keys - Motorola APX 4500Li User Manual

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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.

Accessing the Secure Feature

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.
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Selecting Secure Transmissions

• 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 Encryption Keys

• 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 the name of the
ASTRO OTAR profile used by the selected channel.