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APCO P25 MODE OPERATION
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D
Rekey request function
Normally, the encryption keys are managed and securely
changed by KMF over the air without receiving a Rekey
request.
But the transceiver can control KMF remotely by sending a
Rekey request to perform the rekey operation.
NOTE: If the transceiver does not register to the OTAR
system, it cannot control KMF remotely.
q
Hold down
[Rekey] for 1 second to send a KMM ‘Hello’
command to KMF for a Rekey request.
• “REKEYING PLEASE WAIT” appears.
w
After receiving a Rekey request from the transceiver, KMF
performs the rekey operation.
e
When the rekey operation is successful, “REKEY
SUCCESS” appears.
• If the rekey operation fails, “REKY FAILED” appears.
• If receiving no acknowledgement from KMF, “RQST FAILED”
appears.
D
Active Keyset selection
This function allows you to select the Active Keyset that is
stored in the transceiver.
The keyset structures a group of keys. By changing the
keyset, the group of keys will be automatically switched to
another group.
q
Push
[Keyset] to enter the keyset selection mode.
• The selected keyset name (“KEYSET1” or “KEYSET2”)
appears.
w
Push
[CH Up] or [CH Down], or rotate [CH Up/Down], to
select a desired keyset.
e
Hold down
[Keyset] for 1 second to set the selected keyset.
r
Push
[Keyset] to exit the keyset selection mode.