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26
SCRAMBLER (FM)
<TK-5710/ TK-5710H/ TK-5810/ TK-5810H ONLY>
/ ENCRYPTION (P25)
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.
Secure (encrypTed) TrAnSmiSSion
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.
SelecTing The ScrAmbler code (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 to exit Code Selection mode.
SelecTing The encrypTion Key (p25)
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).
• When a call is received, the transceiver will descramble the call as long as the
received code is in the encryption list.
3 Press the PF 1, PF 2, or PF 3 key 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 27}, it will not be recovered.