Voice Scrambler Unit - Standard Horizon HX370S Owner's Manual

5.17 VOICE SCRAMBLER UNIT

The optional FVP-31 Voice Scrambler Unit permits secure voice communica-
tions with stations within your network, which prevents others from listening
using normal communication equipment.
To activate the Voice Scrambler:
1. Turn the radio off.
2. Hold down the SQL key, then turn on the transceiver while still holding
down the SQL key to enter the Setup Mode.
3. Press the SQL key momentarily to select the Menu item (
4. Press the [ ] or [ ] key momentarily select the scramble code (SC1,
SC2, SC3, or SC4).
5. When you have completed your selection, press the SQL key to save
the new setting, and then press the PTT switch to exit to normal operation.
6. To disable the Voice Scrambler, select "oFF" in step 4 above.
1. Make sure that the transceiver is off. Remove the hard or soft case, if
used. Remove the battery pack.
2. Locate the connector for the FVP-31 under the seal in the battery
compartment on the back of the transceiver, just peel off the seal.
3. Align the connector on the FVP-31 with the transceiver's connector
and gently press the unit into place.
4. Place the Sponge Sheet (supplied with the HX370S) on the FVP-31.
5. Affix the new (supplied with the FVP-31) seal, and replace the bat-
tery. Installation is now complete.
Peel off the Seal
Page 26
Installation of the FVP-31
«
Locate Connector
«
Sponge Sheet
Figure 5
).
«
Affix the new Seal
HX370S