JVC KD-LX50 Manuel D'instructions page 37

To erase the voice commands
If you want to erase the Access Commands (VOICE 14 to VOICE 25) already stored, or if you
want to erase the registered voice for the Operation Commands (VOICE 01 to VOICE 13),
follow the procedure below.
• An Operation Command cannot be erased but only the registered voice for it is erased.
1 Press and hold VOICE until one of the Access Commands appears on the display.
2 Press + or – until the voice command you want to delete appears on the display.
(In this example, select Access Command number 15.)
3 Press and hold STR (ATT) until the following message appears on the display.
4 Press + to erase the voice command.
If you want to cancel the erasing, press –.
5 Press and hold VOICE again to finish the erasing.
STOP
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