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10.6. ANALOG VOICE DESCRAMBLER
Scrambled analog voice transmissions can be decoded with the V.SCR function. The
scrambler is sometimes used in public service radio, automobile racing and cordless
telephones. This function is limited to FM mode with IF bandwidth of 6kHz and 15kHz.
(V.SCR is not available in the U.S consumer version)
To enable V.SCR:
1.
Press [MENU], then press [ENT].
2.
Use [▶] to select [VFO EDIT], then press [ENT].
3.
Use [▶] to select line 7, [V.SCR] and press [ENT].
4.
Turn the dial know until [ON] appears, then press [ENT].
5.
Press [ENT] again, then turn the dial knob to select the
desired carrier frequency (between 2000 and 7000Hz).
6.
Press [ENT] twice to save the settings.
10.7. ADVANCED DIGITAL MODE SETTINGS
These are advanced settings for the digital modes.
1.
Access Digital Mode Settings with a long press on
[MODE], then use [▶] to select [DIG CONF].
2.
Select the desired line 1 to 9, with the arrows [◀] or [▶],
followed by [ENT].
3.
Change values:
・ For line 1, DCR ENC C, input the code directly with
the keypad, then press [ENT] to validate the setting.
・ For lines with a check mark [✓], change the setting
with the DIAL KNOB and press [ENT] to save it.
・ For line 6, P25 NAC C., choose a digit with the DIAL
KNOB, then move to the next digit with [▶] and finally
press [ENT] to save the setting.
4.
Activate all of the previous settings by going to line 9, DIGI.CONF, and then press
[ENT].
Details of the setting for each individual mode:
・(line 1) DCR ENC C. (15-bit digital scramble code setting, also for NXDN)
There are only 32767 possible combinations, between 00001 and 32767.
00000 no scramble code used.
Note: AR-DV10 also has an exclusive scramble code auto detect feature. While receiving a
scrambled signal, press the key-lock key and "D-CR ENC.CODE" with a blinking "?"
will appear on the bottom of the screen. It usually takes 2 or 3 seconds for the code
to be found and for the audio to be descrambled.
This feature only works with NXDN/D-CR's 15-bit digital scramble signals. A "scrambled"
signal is not an "encrypted" signal. AR-DV10 cannot decode encrypted signals of any kind.
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