Acer Aspire 4310 - Manual (Page 37)

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Closed front view
# Icon Item Description
1 Unlimited volume
control wheel Adjust the volume of the audio-out.
2 Latch Locks and releases the lid.
3 Line-in jack Accepts audio line-in devices (e.g.,
audio CD player, stereo walkman).
4 Microphone-in jack Accepts input from external
microphones.
5 Headphones/speaker/
line-out jack with
S/PDIF support Connects to audio line-out devices
(e.g., speakers, headphones).