7
dPMR™ OPERATION
7-26
The encryption function enables voice scrambling,
which provides private digital communication between
stations�
When a encrypted call is received, the squelch will
open only when the call contains a matching Key ID
and Cipher Type*�
If a call containing a different Key ID or Cipher Type*
is made on the same channel, the squelch will not
open, and the user will not hear the call�
* Depending on the presetting, opening the squelch may
also require that a matching CC is included in the call�
Push [Scrambler/Encryption] to toggle the Encryption
function ON or OFF�
•
“ ”
is displayed when the Encryption function is ON�
L
When the Encryption function is ON, push [PTT] to make
an encrypted call�
TIP:
To use the high level Encryption function, the
optional UT-134
aes/des
encryption
unit
and the
CS-KLD2
key
loader
software
are required�
See the CS-KLD2 Help fi le or instruction manual for
details�
When receiving an Analog signal on a "Mixed-Digi"
channel, the Talk Back function enables to transmit
an Analog signal during the Analog Talk Back timer
period�
L
After receiving an Analog signal on the "Mixed-Digi"
channel, “ANALOG” is displayed during the Talk
Back timer period� (Depending on the presetting)
NOTE:
When this function is OFF, the transceiver
always transmits Digital signals on the “Mixed-
Digital” channels�
L
On the “Mixed-Digital” channels, the transceiver
can receive both Analog and Digital signals,
regardless of this function�
Encryption function
Analog Talk Back function
(For the Conventional operation)
