P
Channel select buttons (CHANNEL +, –)
These select preset broadcast stations.  (v
 p. 83)
Q
Page search buttons (PAGE df)
These switch pages.
R
OPTION button
This displays the option menu on the TV screen.
S
VOLUME buttons (df)
These adjusts the volume level.  (v p. 65)
T
SETUP button
This displays the menu on the TV screen.  (v
 p. 148)
U
MUTE button (:)
This mutes the output audio.  (v
 p. 65)