Long Description: Instructor Main Control Panel


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The image is an illustration of the control system panel that controls the projection of the instructor's laptop. It has eight buttons, which are arranged in four rows and two columns.

  1. The "On" button is located on the top left. (row 1, column 1)
  2. The "Off" button is located on the top right. (row 1, column 2)
  3. The "Volume UP" button is the second button from the top on the left side. (row 2, column 1)
  4. The "VGA" button is the second button from the top on the right side. (row 2, column 2)
  5. The "Volume DOWN" button is the third button from the top on the left side. (row 3, column 1)
  6. The "HDMI" button is the third button from the top on the right side. (row 3, column 2)
  7. The "MUTE" button is the bottom button on the left side, fourth from the top. (row 4, column 1)
  8. The "BLANK SCREEN" button is the bottom button on the right side, fourth from the top. (row 4, column 2)