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1.>/< : Used to access categories in ascending and descending order.
2.select : Used to confirm selection in various lists and menus.
3.jump : Used to switch between the previous and current channel.
4.display : Allows the user to choose one of three ways of presenting the Artist and Song title information on the LCD screen.
5.pre/dir : This button is used to enter up to 10 channels each into one of three memory banks (A, B or C) for later recall, or to directly select a desired channel for play using the number buttons.
6.Ch
7.Number Buttons
8.mute : Allows the user to silence the audio signal level.
9.menu : Used to access “MENU” which displays user setup options plus other feature/function adjustments.
10.∧ /∨ : Used to access items within channel/category/menu lists in ascending and descending order. Also used for menu option ad- justments.
11.power ( 
) : Turns the receiver on and off.
12.Infrared Transmitter : Transmits IR signal to CommanderMT Display Controller IR Receiver.