KDC-4557U KDC-4057UB KDC-4057UR KDC-3457UQ KDC-3357UY KDC-3257URY KDC-3057UG KDC-3057UR KDC-317UR KDC-3057URY BASICS To Do this (on the faceplate) Do this (on the remote control) Turn on the power Press L SRC. • Press and hold to turn off the power. Press and hold SRC to turn off the power. ( Pressing SRC does not turn on the power.