User's Manual

Table Of Contents
Chapter 6 Wireless 52
Security stops unauthorized devices from using the wireless network. It can also protect the
information that is sent in the wireless network.
Radio Channels
In the radio spectrum, there are certain frequency bands allocated for unlicensed, civilian use. For
the purposes of wireless networking, these bands are divided into numerous channels. This allows
a variety of networks to exist in the same place without interfering with one another. When you
create a network, you must select a channel to use.
Since the available unlicensed spectrum varies from one country to another, the number of
available channels also varies.
6.1.3 Before You Begin
Before you start using these screens, ask yourself the following questions. See Section 6.10 on page
71 if some of the terms used here do not make sense to you.
What wireless standards do the other wireless devices support (IEEE 802.11g, for example)? What
is the most appropriate standard to use?
What security options do the other wireless devices support (WPA2-PSK, for example)? What is
the best one to use?
Do the other wireless devices support WPS (Wi-Fi Protected Setup)? If so, you can set up a well-
secured network very easily.
Even if some of your devices support WPS and some do not, you can use WPS to set up your
network and then add the non-WPS devices manually, although this is somewhat more
complicated to do.
What advanced options do you want to configure, if any? If you want to configure advanced
options, ensure that you know precisely what you want to do. If you do not want to configure
advanced options, leave them alone.
6.2 Wireless General Screen
Use this screen to enable the Wireless LAN, enter the SSID and select the wireless security mode.
 If you are configuring the Device from a computer connected to the wireless LAN and you
change the Device’s SSID or security settings, you will lose your wireless connection when
you press Apply to confirm. You must then change the wireless settings of your computer
to match the Device’s new settings.