Operation Manual

Page 27HX400IS
6.12 VOICE SCRAMBLER
The built-in scrambler is 4 code voice inversion type which is compatible with
the optional scramblers fitted into other Standard Horizon Hand Helds (FRP-
31) and Fixed Mounted VHF radios (CVS2500). When the HX400IS voice
scrambler is enabled your voice will be scrambled to all persons listening on a
specific channel and may only be decoded by another Standard Horizon VHF
with scrambler capability.
To activate the Voice Scrambler:
1. Select the channel you wish to activate the Voice Scrambler.
2. Turn the transceiver off by rotating the VOL knob fully counter-clockwise.
3. Hold down the key, then turn on the transceiver while still holding down
the key.
4. Press the or key to select the Menu item “SCRAM-
BLER” and press the key.
5. Press the or key to select the desired scramble
code (SC0, SC1, SC2, or SC3).
6. After selecting the scrambler code, press the key
to save the setting to memory, then press the key
exit Setup mode. “ ” icon will be shown to the right of
the channels when the scramber is enabled.
To disable the Voice Scrambler, select “oFF” in step 4 above.
If you want to activate the Voice Scrambler to other chan-
nel, repeat procedures above. You may select a different
scramble code for each channel.