Motorola Solutions Inc. 89FT7050 用户手册
Advanced Features
English
87
Secure Operations
Secure radio operation provides the highest commercially
available level of voice security on both trunked and
conventional channels.
available level of voice security on both trunked and
conventional channels.
Unlike other forms of security, Motorola digital encryption
provides signaling that makes it virtually impossible for others to
decode any part of an encrypted message.
provides signaling that makes it virtually impossible for others to
decode any part of an encrypted message.
Selecting Secure Transmissions
Procedure:
Press the preprogrammed Secure/Clear button to the secure
position.
Press the preprogrammed Secure/Clear button to the secure
position.
Note:
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.
operation – when you press the PTT button, you hear
an invalid mode tone and the display shows Clear TX
only.
The radio will not transmit until you set the Secure/
Clear button to the clear position.
Clear button to the clear position.
Selecting Clear Transmissions
Procedure:
Turn the preprogrammed Secure/Clear button to the clear
position.
Turn the preprogrammed Secure/Clear button 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
Secure TX only.
only operation – when you press the PTT button, you
hear an invalid mode tone and the display shows
Secure TX only.
The radio will not transmit until you set the Secure/
Clear button to the secure position.
Clear button to the secure position.
Managing Encryption
Loading an Encryption Key
Note:
Refer to the key-variable loader (KVL) manual for
equipment connections and setup.
equipment connections and setup.
Procedure:
1
Attach the KVL to your radio.
2
The display shows Keyloading, and all other radio
functions, except for power down, backlight, and volume,
are locked out.
functions, except for power down, backlight, and volume,
are locked out.