Acer 6800 Series - Manual (Page 40)

3 Setting up your computer 34
• Earphones, headphones: Connect to the headphone-out jack (lime
jack) located on the front panel of your computer.
Note: To adjust the headphones volume, use the volume control
buttons on the keyboard. You can also adjust the volume by using
the volume icon on the taskbar at the bottom of your screen.
• External speakers: Connect to the audio-out/line-out jack (lime jack)
located on the rear panel of your computer.