Epson Powerlite 7850p Multimedia Projector Users Guide

Presenting Through a Wireless Network81
3. For Key ID, highlight any of the options and press Enter if you’re 
using 40 bit WEP encryption. (This option is not available for 
128 bit WEP encryption.)
4. Highlight the 
Encryption key text box and press Enter. The 
cursor turns green to indicate you are in input mode. Check with 
your network administrator for directions on entering a key for 
your network, and follow these general guidelines:
■For 128 bit WEP encryption with hexadecimal input, enter 
26...

82Presenting Through a Wireless NetworkYou see a screen similar to the this: 
2. Right-click the 
Wireless Network Connection icon and select 
Properties. 
You see a screen similar to this:
3. Click the 
Configure button.
note
On some Windows systems, 
you can right-click 
My Network Places or 
Network Neighborhood 
on the desktop and select 
Properties.
Right-click and select 
Properties
Click here 

Presenting Through a Wireless Network83
4. Click the Advanced tab. You see a screen like this:
5. Check your wireless card or adapter’s device settings. (Depending 
on the type of card or adapter you’re using, some of the settings 
may be different than those listed here.)
■Set the network type to Infrastructure. 
■Set the SSID to match the name assigned to the access point 
(which should also be the projector’s ESSID)—for example, 
CONF ROOM. 
■Make sure encryption is Disabled. 
6. Click the 
General...

84Presenting Through a Wireless Network8. Right-click the 
Wireless Network Connection icon again and 
select 
Properties. You see this screen:
9. Select 
Internet Protocol as shown above, then click the 
Properties button. 
You see this screen: 

Presenting Through a Wireless Network85
10. If your access point uses DHCP, select Obtain an IP address 
automatically
. Otherwise select Use the following IP address 
and enter the required information: 
■IP address: Type in the IP address you want to assign to the 
computer. It must be formatted like other addresses on the 
network; usually the first three segments (XXX.XXX.XXX) 
match the first three segments of the access point’s IP address.
■Subnet mask: For example: 255.255.255.000, but this...

86Presenting Through a Wireless Network13. Verify that you’ve enabled your computer’s connection to the 
access point. It should be listed as shown above, with the small 
icon next to it, indicating a connection. 
If it’s not listed, click 
Configure and then type the name of your 
access point. 
14. When done making your settings, click 
OK to close the dialog 
box. 
Now you’re ready to connect to the projector. See “Projecting 
Wirelessly” on page 89. 
Checking the Gateway IP Address on Windows
If...

Presenting Through a Wireless Network87
2. Right-click the Wireless Network Connection icon and select 
Status. Then click the Support tab. 
The gateway’s IP address is listed as shown:
Setting Up Your Macintosh for Access Point Mode
Your AirPort software is automatically configured to allow your 
Macintosh to detect Access Point networks. Typically, you need only 
select your AirPort network name from the AirPort status menu on 
the Macintosh menu bar.
If you’re having problems connecting to the...

88Presenting Through a Wireless Network2. Make sure Location is set to 
Automatic.
3. Select 
Network Port Configurations in the Show pull-down 
menu.
4. Under Port Configurations, select 
AirPort.
5. Click 
Apply Now. Then close the window.
6. Start the AirPort Admin utility. Select your base station, then 
click 
Configure.
7. On the AirPort tab, make sure your AirPort network name 
matches your projector’s ESSID. If not, enter the projector’s 
ESSID in the AirPort Network text box and click 
Update....

Presenting Through a Wireless Network89
9. Click the AirPort icon on the menu bar at the top of the 
Macintosh desktop. You see the AirPort status menu:
10. Check to make sure AirPort is turned on.
11. Select the name of your AirPort network.
Projecting Wirelessly
Once you’ve started EasyMP and set up your projector and computer 
in either Ad Hoc mode or Access Point mode, follow these steps to 
start NS Connection and project wirelessly. 
1. Make sure you’ve installed your wireless 802.11b card (see...

90Presenting Through a Wireless NetworkThe first time you start NS Connection, you may see a dialog box 
asking you to select your network. Select the IP address for your 
computer’s network card and click 
OK.
You see the screen below. (If you have previously started NS 
Connection, this is the first screen you see.)
If the connection is working properly, you see your projector 
listed. If you have additional EPSON projectors on the network, 
they are also listed, along with their status. 
The color of...