Clarion Px-3994a-a Manual Review

: Press the button with the Power icon to turn the unit on. To turn it off, press and hold the [SRC] (Source) button for at least one second.

For further assistance with official documentation, you can browse the Clarion Owners Manual Download Service or search the Clarion Device Database for related PX-series models. Clarion | Product Manuals Download Service Clarion Px-3994a-a Manual

You can attempt to locate the manual or related technical guides through these official and community resources: : Press the button with the Power icon to turn the unit on