RCA 27GT720TX2AX1 User Manual page 25

OK When in the menu system, selects highlighted items or
returns you to the previous menu.
MENU Brings up the Main menu and selects highlighted
items,
CLEAR Removes any menu or display from the screen and
returns you to TV viewing. Also exits the GUIDE Plus+ menu
system.
(0-9) Number Buttons Enters channel numbers and time
settings directly though the remote control. To enter a two-digit
channel, press the two digits. To enter a three-digit channel,
press and hold the first digit, release, then add the second two.
Example: to tune to channel 123, press and hold 1, release,
press 2, then press 3.
INPUT Press to toggle through the available input sources
(CH3, CH4, and the current channel).
SKIP Press once before changing channels and the TV will
wait 30 seconds before returning you to the original channel,
Press repeatedly to add more time.
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