Acer 4720Z - Manual (Page 9)

Chapter 1 3
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Consumer infrared (CIR) port
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External display (VGA) port
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S-video/TV-out (NTSC/PAL) port
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Headphones/speaker/line-out port with S/PDIF support
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Microphone-in jack
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Line-in jack
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Ethernet (RJ-45) port
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Modem (RJ-11) port
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DC-in jack for AC adapter
Environment
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Temperature:
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Operating: 5ºC to 35ºC
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Non-operating: -20ºC to 65ºC
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Humidity (non-condensing):
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Operating: 20%~80%
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Non-operating: 20%~80%