Mitsubishi CS-35201A Owner's Manual page 19

@ A/V
reset button (A/V RESET)
Press to reset all audio and video functions except vclume, reception mode
(Stereo!SAP/Mono), closed caption decoder and TV Speaker (on/o_ to
their normal level or setting.
(_ degauss button
Use this button if a color impurity is present.
Overview of Front Panel 18