About the Samsung Smart Remote (UHD TV). Learn about the buttons on the Samsung Smart Remote that comes with the UHD TV.  Button Description (Bixby) (Number button) (Color button) Directional pad (up/ down/left/right) Select (Return) Press to return to the Home Screen. (Smart Hub) (Play/pause) Move the button up or down to adjust the volume. To mute the sound, press the button. When VOL (Volume) pressed for 1 second or more, the Accessibility Shortcuts appear