BK Radio P150, Service Manual

Page: 84 / 264

BK Radio Page 3-5
operation
3.4.3 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.
To use the channels programmed key:
Tx Keys

Default
KEY1
ESC ▲ ▼ ENTER
Press the button programmed for the Key Pick List (UKEY). 1.
Use the up/down buttons to highlight the desired key. Or, using the keypad,
press the number of the desired key.
Press the ‘ENTER’ button to select the key. 2.
Hold the ‘ESC’ button to return to normal operation. 3.
NOTE: Selecting ‘Default’ uses the key assigned to each channels programmed key
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.
To select a key from the programmed list:
Tx Keys
Default

UKEY1
ESC ▲ ▼ ENTER
1. Press the Menu button.
2. Use the up/down buttons to highlight ‘TX KEYS’.
3. Press the ‘ENTER’ 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.
5. Press the ‘ENTER’ button to select the key.
6. Hold the ‘ESC’ button to return to normal operation.
NOTE: Selecting ‘Default’ uses the key assigned to each channels programmed key
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.
3.4.4 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:
Z e r o i z e K e y s
Z e r o i z e N o w ?
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.