Vision 1480 Series Owner's Manual page 22

INSTALLERS, READ THIS MANUAL THOROUGHLY!
The 1480 must be connected by an experienced
VISION installer. All product warranties im-
mediately become void if the 1480 is not in-
stalled by an authorized dealer.
If you acquired this product without profes-
sional installation, DO NOT install it yourself
to save a little money at the risk of damaging
your vehicle or causing physical injury.