Boss Audio BV9973 User Manual - Page 8

Installation Installing the unit HEX NUT SPRING WASHER PLAIN WASHER TAPPING SCREW DASH BOARD METAL MOUNTING STRAP CONSOLE SLIDE BRACKET HOUSING HEX BOLT TABS SCREWDRIVER KEY PLATE KEY PLATE PLASTIC TRIM OUT If you want to take the CHASSIS out of the SLIDE BRACKET HOUSING, first remove the PLASTIC COVER on both sides , then insert the two KEY PLATES into the left and the right sides of the chassis as illustrated above. -6-