21-7.3.2 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.
Move cursor to "Algorithm Sel:" field and select
desired algorithm using softkeys (Figure 21-8).
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.
21-7.3.3 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 21-6).
Move cursor to "Algorithm Sel:" field. Using
softkey, select the algorithm associated with the
external key you want to erase.
Move cursor to "Key Type:" field and press erase
ext key
softkey (Figure 21-10). The analyzer will
erase the stored External Key and display "key
erased" in the message area.
Figure 21-10. External Key Programming Display
266
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