E F Johnson Company 2424140 Manuel D’Utilisation

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SECURE COMMUNICATION (ENCRYPTION)
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Rekey Fail - Either the rekey command failed or 
timed out (after approximately 30 seconds). This 
message could indicate that the rekey request 
message was not received by the KMF. However, 
depending on the KMF configuration and channel 
traffic, it is possible that the message was received 
and a response is still pending. 
Rekeyed! - The rekey session initiated by the radio 
was successful.
Additional Functions Selectable by 4100 Menu:
(To select one a parameter, highlight it and press 
F2.)
Rekey - Performs the same function as the OTAR 
Rekey Request option switch described in the 
preceding section.
Need KEK - Sends a request for a new KEK (Key 
Encryption Key). Upon receiving this message, the 
KMF marks the radio as requiring service. One time 
this function may be selected is if the radio dumps it 
keys. 
Identify - Sends a message which tells the KMF that 
the radio is on the air. Currently, the KMF always 
responds with “No Service”, even if the keys are not 
up to date. If “No Ack” is displayed, the KMF may 
not have received the message (see preceding 
section). This function can be used to test communi-
cation without initiating the rekeying that occurs 
with the preceding “Rekey” function. 
Erase Keys - Erases all keys in the radio the same as 
the Erase Keys option switch described in the 
preceding section.