Kenwood NX-240 Function Reference page 189

15 COMMUNICATION SECURITY
15.1 Built-in Voice Scrambler (Analog)
Operating the Transceiver
 Enabling the Voice Scrambler
1
Press the Scrambler/ Encryption
A Tone A sounds from the transceiver and Voice Scrambler becomes enabled.
For Mobile, "Sr" appears for 1 sec. In addition, for Mobile, if the 2 dots on the LED display (the left dot and the right dot) and the
LED (blue) are configured to light, each LED lights while Voice Scrambler is enabled.
 Disabling the Voice Scrambler
1
Press the Scrambler/ Encryption
A Tone B sounds from the transceiver and Voice Scrambler becomes disabled.
Note
If "Zone-Channel + Others" is configured for Voice Announcement, "Scrambler" is announced when Voice Scrambler becomes
enabled. In this case, a Tone A does not sound. (Refer to
Configuration using KPG-169D/ KPG-170D/ KPG-175D
Assigning functions to the PF keys (
Configuring the Scrambler Code
Supported Models: Mobile
Pressing and holding the Scrambler/ Encryption Code key causes the transceiver to enter Scrambler/ Encryption Code
Mode. In Scrambler/ Encryption Code Mode, the Scrambler Code, which is used for when the transceiver scrambles and
sends the audio signal and when the transceiver receives the scrambled audio signal, can be configured for each channel.
Only if the received Scramble Code matches the Scrambler Code preconfigured for the transceiver, the scrambled signal
can be descrambled and the received audio sounds normally from the transceiver.
Note
• For Mobile, the Scrambler Code can also be configured for each channel by using KPG-175D. In addition, the Scrambler Code
configured for each channel by using KPG-175D can be changed by the operation of the transceiver.
• For Portable, the Scrambler Code can be configured for each channel by using KPG-169D/ KPG-170D.
• The Scrambler Code whose inversion frequency is configured to "Kenwood" has compatibility with the AQUA scrambler installed in the
TK-2200/ TK-3200 series transceiver.
FUNC (K)/Ver 1.20
key while Voice Scrambler is disabled.
key while Voice Scrambler is enabled.
6.7 Using Voice Announcement on page
See Edit > Key Assignment)
37.)
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