User's Manual

22
KNG User’s Manual
23
RELM/BK Radio
Transmit Encryption Key Selection
The radio can hold up to 32 DES or AES encryption keys. Each
channel is assigned a default key for transmit. The key can be locked
to the channel, or if programming allows, a transmit key other than the
default key can be selected from the radio’s Key Pick List. If a key
is selected from the pick list, it will be used during transmit on every
channel that allows selectable keys.
Follow the steps below to select the encryption key.
If programmed to a button:
Tx Keys
→
Default
Key 1
ESC ▲ ▼ ENT
1. Press the button programmed for the Key
Pick List (UKEY).
2. Use the up/down buttons to highlight the
desired key. Or, using the keypad, press the
number of the desired key. 'Default' = Key
assigned to channel via programming.
3. Press the 'ENT' button to select the key.
4. Hold the 'ESC' button to return to normal
operation.
If programmed to the Menu button:
Channel Scan
TX Keys
PRI Scan
ESC ▲ ▼ ENT
TXD
Tx Keys
→
Default
Key 1
ESC ▲ ▼ ENT
1. Press the Menu button.
2. Use the up/down buttons to highlight "Tx
Keys" selection.
3. Press the 'ENT' button to open the key
menu.
4. Use the up/down buttons to highlight the
desired key. Or, using the keypad, press the
number of the desired key. 'Default' = Key
assigned to channel via programming
5. Press the 'ENT' button to select the key.
6. Hold the 'ESC' button to return to normal
operation.
If a key is selected that has not been programmed, the radio will not
transmit but will beep and display ‘NO KEY’ when PTT is pressed.
Zeroization
The radio provides a method for the user to panic-zeroize all encryption
keys. This service also sets all touchpad passwords to ‘FFFFFF’. The
zeroization service can be invoked with the steps below.
If programmed to a button:
Zeroize Keys
Zeroize Now?
ESC YES ENT
1. Press the button programmed for
Zeroizing. (ZER)
2. Press the 'YES' button to zeroize
encryption or press ESC to abort the
operation.
3. Hold the 'ESC' button to return to normal
operation.
If programmed to the Menu button:
Zeroize Keys
Zeroize Now?
ESC YES ENT
Channel Scan
Zeroize Keys
PRI Scan
ESC ▲ ▼ ENT
TXD
1. Press the Menu button.
2. Use the up/down buttons to highlight
'Zeroize Keys' selection.
3. Press the 'ENT' to open the menu.
4. Press the 'YES' button to zeroize
encryption or press 'ESC' to abort the
operation.
5. Hold the 'ESC' button to return to normal
operation.
The LCD will display "Keys Zeroized" after a successful operation.
Over-the-Air-Rekeying (OTAR)
If the radio has OTAR The radio optionally provides a method for the
user to manually request a rekey from the KMF (Key Management
Facility). If manual rekeying is enabled, the rekey service can be
invoked with the following steps.