20 Most Recent JVC KD-SX770 CD Player - Page 9 Questions & Answers

Did you turn the "demo mode" off after it was installed? It's in the menu setting.

JVC Car Audio &... | Answered on Oct 02, 2017

Try pushing and hold button.

JVC Car Audio &... | Answered on Sep 14, 2017

dont security measure from factory

JVC Car Audio &... | Answered on Aug 30, 2017

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