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4.13
Transmit Clear Alert Tone
Transmit Clear Alert Tone
is the function used to notify a user with a short beep that the communication data is not
encrypted when the transceiver starts transmitting without communication data being encrypted.
If this function is enabled, the following are the conditions under which a Transmit Clear Alert Tone (1 beep) sounds from
the transceiver when the transceiver transmits:
0
If “Clear” is configured in Encryption for either a channel or the corresponding Talkgroup ID
0
If “Select” is configured for Encryption for either a channel or the corresponding Talkgroup ID and that Encryption is
disabled (Clear) for the transceiver.
Configuration using KPG-D1/ D1N
Configuring
Transmit Clear Alert Tone
to be enabled or disabled (
Transceiver Settings > Encryption > General)
4.14
Transmit Hang Time/ Receive Hang Time (P25 Conventional
System Only)
Receive Hang Time/ Transmit Hang Time
is the time during which the transceiver can transmit using the Key ID and Key
Data used for reception, without using a preset Key ID or Key Data, when the
PTT
switch is pressed.
To use this function, the Key ID and Key Data used for reception need to be preconfigured for the SCM or Built-in DES.
0
Receive Hang Time
During or after receiving an encrypted signal, pressing the
PTT
switch within the time configured in
Receive Hang
Time
transmits the signal encrypted with the algorithm ID and Key ID used for reception.
If the
PTT
switch is pressed after the time configured in
Receive Hang Time
elapses, the transceiver transmits the signal
encrypted with a preconfigured CKR ID. Or, if 0 ms is configured in
Receive Hang Time
, the transceiver always transmits
the signal encrypted with a preconfigured CKR ID.
0
Transmit Hang Time
After receiving an encrypted signal, pressing the
PTT
switch within the time configured in
Receive Hang Time
to transmit
the signal, and then pressing the
PTT
switch again within the time configured in
Transmit Hang Time
enables the
transceiver to continuously transmit the signal by encrypting with the algorithm ID and Key ID used for reception.
However, if 0 ms is configured in
Transmit Hang Time
, the transceiver always transmits the signal encrypted with a
preconfigured CKR ID.
Note
0
If 0 ms is configured in both
Receive Hang Time
and
Transmit Hang Time
, the transceiver can transmit by pressing the
PTT
switch only during reception.
0
If the transceiver receives a signal without encryption,
Receive Hang Time
and
Transmit Hang Time
do not function.
In this case, the transceiver can transmit using a preconfigured CKR ID.
Configuration using KPG-D1/ D1N
0
Configuring
Receive Hang Time
(
Transceiver Settings > Encryption > P25 > Options)
0
Configuring
Transmit Hang Time
(
Transceiver Settings > Encryption > P25 > Options)
4 COMMUNICATION SECURITY
4.13 Transmit Clear Alert Tone
P25 FUNC (K)/Ver 2.20
179