To fasten the unit to the factory radio mounting brackets.
1.Align the screw holes on the bracket with the screw holes on the unit, and
then tighten the screws (5x5mm)on each side.
the outer trim ring, sleeve and the metal strap are not used for method
USING THE DETACHABLE FRONT PANEL
Removing the front panel
1.Press the release button on the front panel and pull of the front panel.
2.Keep front panel into the case.