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2.  Parts and Functions
2.1.  Control Panel
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1
  Press the   key to enter the signal source selection menu, and to select the signal source. It is used to 
conrm the operation under the MENU operations.
2
  ◄/►: It is used to adjust the volume. In the OSD menu, press the ◄/► key to adjust the value of the 
selected item.
3
  ▲/▼: In the OSD menu, press the ▲/▼ key to select an item.
4
  Press the   key to enter the main menu, and it conrms the operation in the SOURCE menu.
5
 Press   to On or O the display.