Operator's Manual

GUARDIAN P25 INTEROPERABLE RADIO FAMILY
Guardian VHF Mobile
17
Encryption Menu
Used to set the radio for encrypted operation and accessed from the main
menu. Highlight
ENCRYPT and press Enter. Use the DTMF keypad to enter
the password for this radio. Press
Enter.
Setting Value
KEYSEL (Key select) Choose the active key for the channel
ZEROIZE (Zeroize keys) Zeroize key for channel or all keys
DF KEY (Default key) Activates the channel’s default key
Radio Cloning
Cloning enables the transfer of channel settings between Guardian radios.
Consult authorized personnel for guidance. Perform the following steps to
clone one Guardian radio with another:
1. Power off both radios.
2. Connect the source and target radios together using the Guardian cloning
cable (PN G25AMKG004).
3. Power on the target radio and then the source radio.
4. The source radio automatically detects the connection and
FULL CLONE
displays.
5. Press PTT on the source radio to start the download. If there are problems
between the source and target radios, the source radio times-out after
20 seconds,
CLONING ERROR displays, and the radio reverts to PTT TO SEND
for another attempt. Check the connectors and repeat the steps.
6. When finished, the target radio resumes normal operation.
7. The source radio displays
PTT TO SEND and remains in cloning mode in
order to clone additional radios, if desired.
8. Press
Escape, or power off and on the radio, to resume normal radio
operation.
Encryption Keyfill
Encryption keyfill is accomplished using a computer and the Guardian
programming software (PN G25AXR001). A key variable loader (KVL) is an
optional accessory used for keyfill. Perform the following steps to load keys
into a Guardian radio using a KVL:
1. Power off the target radio.
2. Connect the KVL to the target radio.
3. Power on the radio.