CAUTION
Use only DX key loaders, or any KVL 3000 with
the ASN option. Other types of key loaders (AX,
BX or CX) may cause the encryption hardware
to malfunction. To recover, press the encrypt
reset softkey under the “Special Functions”
(SPF) menu.
Figure 25-5. Test Key Programming Display
25-3.3.2 Loading External Key
To initiate loading an external key,
place cursor
in "Display:" field in Display Zone and select
SET UP mode display using
SET UP softkey.
310
Move cursor to "Algorithm Sel:" field and select
desired algorithm using softkeys (Figure 25-4).
Move cursor to "Key Type:" field.
Press the load ext key softkey to initiate the key
load sequence.
Push the switch on the KVL to begin loading.
This activates the programming function. When
programming is complete, the KVL displays
"pass" if the key load procedure was successful.
The analyzer displays a message “Ext key
passed." If the key load procedure was
unsuccessful, the KVL displays "fail."
If key load procedure was successful, disconnect
the KVL. Be sure to press the EXT KEY softkey
after loading an External Key from the KVL in
order to use the key. This completes External
Key loading. You can exit the SET UP screen at
this time.
25-3.3.3 Erasing External Key
To erase an External Key, place cursor in
"Display:" field in the Display Zone and select
SET UP softkey. This will access the SET UP
display screen (Figure 25-2).
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