Acer Extensa 4220 TravelMate 4320/4720 and Extensa 4220/4620 Service Guide - Page 15

Closed Front View # Icon 1 2 3 4 5 6 7 8 9 Item Speakers IEEE 1394 port (6-pin) Infrared port USB 2.0 port Line-in jack Microphone jack Description Left and right speakers deliver stereo audio output. Connects to IEEE 1394 devices. Interfaces with infrared devices (e.g., infrared printer and IRaware computer). Connects to USB 2.0 devices (e.g., USB mouse, USB camera). Accepts audio line-in devices (e.g., audio CD player, stereo walkman, mp3 player) Accepts inputs from external microphones. Headphones/speaker/ line-out jack Bluetooth communication switch Connects to audio line-out devices (e.g., speakers, headphones). Enable/disable the Bluetooth function. (manufacturing option). Wireless communication Enable/disable the wireless function. (manufacturing option). switch Latch Locks and releases the lid. Chapter 1 5