23
SCRAMBLER (FM)/ ENCRYPTION (APCO)
Note:
◆
The Scrambler function can be used only in Conventional FM Operation. Additionally, the Voice
Scrambler board must be installed before this function can be activated.
◆
Ask your dealer for details concerning the Voice Scrambler board and the Encryption DES/AES
settings.
S
ECURE
(E
NCRYPTED
) T
RANSMISSION
Press the key programmed as
Scrambler
/
Encryption
to switch the transceiver
to secure (encrypted) transmission.
• The
(KCH-14) or
OPT
(KCH-15) icon appears on the display.
• Pressing the microphone
PTT
switch after the Scrambler or Encryption function has
been turned ON encrypts the transmitted signal.
• Each group member must activate their respective Scrambler/ Encryption functions to
descramble the received signals.
S
ELECTING
THE
S
CRAMBLER
C
ODE
(FM)
1
Press the key programmed as
Scrambler/ Encryption Code
or press and
hold the key programmed as
Scrambler/ Encryption
for 1 second, to enter
Code Selection mode.
2
Press the
GRP
and
keys or rotate the
CH
control to increase or
decrease the Scrambler code.
• There are 16 available Scrambler codes (1 ~ 16).
• Each group member must use the same code in order for the transceivers to
descramble the received signals.
3
Press the
PF 1
,
PF 2
, or
PF 3
key (the first, second, or third key from the left,
after the
CH
control) to exit Code Selection mode.
S
ELECTING
THE
E
NCRYPTION
K
EY
(APCO)
1
Press the key programmed as
Scrambler/ Encryption Code
or press and
hold the key programmed as
Scrambler/ Encryption
for 1 second, to enter
Key Selection mode.
2
Press the
GRP
and
keys or rotate the
CH
control to select the new
Encryption
key.
• There are 16 available Encryption keys (1 ~ 16).
• Each group member must select a code that is in each member’s key list in order
for the transceivers to descramble the received signals.
3
Press the
PF 1
,
PF 2
, or
PF 3
key (the first, second, or third key from the left,
after the
CH
control) to exit Key Selection mode.
Note:
To return the transceiver to the default programmed Encryption key, select “PRESET”.
However, if you delete the Encryption key {page 24}, it will not be recovered.
