JX-305: Factory Initialization
The Factory Initialization function allows you to restore the original factory
settings in the JX-305. Use the following procedure to reset the JX-305.
1) Press UTILITY.
2) Press the PAGE RIGHT button [>] several times to select "FACTORY PRESET."
3) Press ENTER.
4) Use the PAGE buttons [<] or [>] to select "ALL."
5) Press ENTER twice.