Acer TravelMate 4220 TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 16

Close Front View Number 1 2 3 4 5 6 7 8 9 10 Icon Item IEEE 1394 ports Description Connects to a IEEE 1394 devices. IR port Front USB 2.0 port Line-in jack Microphone-in jack Interfaces with IR-aware (e.g. infrared printer, IR-aware computers and mobile phone). Your computer can transfer data at speeds of up to 4 Mbps at a distance of up to one meter. Connects to USB 2.0 devices (e.g. USB mouse, USB camera). Accepts audio line-in devices (e.g., audio CD player, stereo walkman). Accepts an external microphone. Headphone jack Accepts headphones or external speakers. Bluetooth switch Toggles the Bluetooth function on and off. WLAN switch Speakers Lid latch Toggles the WLAN function on and off. Delivers High Definition (HD) audio output. Locks and releases the notebook lid. 6 Chapter 1