Epson Powerlite 85 Multimedia Projector Users Guide

							
Using the Projector on a Network71
You see a screen similar to this:
3. Click the 
Configure button.
4. Click the 
Advanced tab. You see a screen like this:
Click here 
						

							
72Using the Projector on a Network5. Check your wireless card’s 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 SSID). 
■Make sure Encryption is Disabled if you have not set up 
encryption on the projector. 
6. Click the 
General tab and make sure that your wireless card or 
adapter is enabled. 
7. When you’re done, click 
OK to close the wireless properties dialog 
box. 
8. Right-click the 
Wireless Network Connection icon again and 
select 
Properties. You see this screen: 
						

							
Using the Projector on a Network73
9. Select Internet Protocol and click the Properties button. You 
see this screen:
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. The last sect ion must be unique.
■Subnet mask: For example: 255.255.255.000, but this 
depends on how your network is set up.
■Default gateway: Enter the IP address that was assigned to 
the access point when it was set up. 
■Preferred DNS server/A lternate DNS server: Enter the IP 
address of the DNS server(s) for your network.
11. When you’re done, click 
OK. 
12. Click the 
Wireless Networks tab. 
(If you don’t see this tab, you may need to enable your wireless 
card or adapter by clicking 
Configure to access the device 
note
For specific details about 
your network, please consult 
your network administrator.
note
If you don’t  know your 
gateway or access point 
address, see page 75.  
						

							
74Using the Projector on a Networksettings; then follow any instructions on the screen to enable the 
device.) You see a screen like this:
13. Verify that you’ve enabled yo ur computer’s connection to the 
access point. It should be listed with the small  icon next to it, 
indicating a connection. 
If it’s not listed, click 
Configure and type the name of your access 
point. 
14. When you’re done making settings, click 
OK to close the dialog 
box. 
Now you’re ready to connect to the projector. See the  EasyMP 
Operation Guide  for details.  
						

							
Using the Projector on a Network75
Checking the Gateway IP Address on Windows
If you’re entering IP addresses manually and need to find out the 
gateway IP address (the IP address of your access point), make sure the 
wireless connection to the access point is currently active, as described 
in the previous section. Then follow these steps:
1. Access your wireless network Properties window. For example, in  Windows XP you would click 
Start > Control Panel > Network 
and Internet Connections
. Then click the Network 
Connections
 icon. You see a screen similar to this:
2. Right-click the 
Wireless Network Connection icon and select 
Status. 
note
If you cannot identify the 
gateway address using this 
Windows utility, use the 
administrator’s utility 
software that came with 
your access point. 
Right-click and select Status 
						

							
76Using the Projector on a Network3. Click the 
Support tab. The gateway’s IP address is listed as 
shown: 
Setting Up Your Mac for Access Point Mode
Your AirPort software is automatically configured to allow your Mac 
to detect Access Point networks. 
Typically, you only need to select your AirPort network name from 
the AirPort status menu on the Mac menu bar. If you’re having 
problems connecting to the pr ojector, follow these steps:
1. From the Apple pull-down menu, select 
System Preferences. 
2. Click the 
Network icon. You see the Network settings window.
Gateway address 
						

							
Using the Projector on a Network77
3. Make sure Location is set to Automatic.
4. Select 
Network Port Configurations in the Show pull-down 
menu.
5. Under Port Configurations, select 
AirPort.
6. Click 
Apply Now. Then close the window.
7. Start the AirPort Admin utility. Select your base station, then  click 
Configure.
8. On the AirPort tab, make sure your AirPort network name  matches your projector’s SSID. If  not, enter the projector’s SSID 
in the AirPort Network text box and click 
Update. 
9. If you turned DHCP on in your projector’s advanced menu, click  the Network tab and make sure the 
Distribute IP addresses 
checkbox is selected. If you need to select it, click 
Update. 
Select 
Automatic  
Select Network Port 
Configurations 
Then select  AirPort
note
If you don’t need the other 
network ports, disable them 
by deselecting their 
checkboxes. If more than one 
network port is enabled, the 
projector software warns you 
to turn off AirPort when you 
first connect the projector. 
Disregard this message.
Your AirPort network and 
base station names may be 
different. To check or 
change your AirPort 
network name, start the 
AirPort Admin utility, select 
your base station, and click 
Configure. Click Show All 
Settings, then make any 
changes you want on the 
AirPort tab.
If you’re connecting to your 
projector in static IP mode, 
deselect the Distribute IP 
addresses checkbox. Make 
sure your projector’s gateway 
address is identical to the 
base station’s IP address, 
and the first three segments 
of the projector’s IP address 
are identical to the first 
three segments of the base 
station’s IP address. 
						

							
78Using the Projector on a Network10. Click the AirPort icon on the menu bar at the top of the 
Macintosh desktop. You see the AirPort status menu:
11. Check to make sure AirPort is turned on.
12. Select the name of your AirPort network. 
Using Wireless Security Options 
The projector includes WEP and WPA data encryption security 
options which you can enable for network projection.
Make sure the settings you select match the ones used by your 
network; follow the directions fr om your network administrator. 
See the following sections to en able security options on your 
projector: 
■“Enabling WEP Encryption” below
■“Enabling WPA Security” on page 81
You also need to enable security settings from EMP NS Connection 
(see page 82).
note
The authentication and 
firewall features are only 
effective when the access 
point for the connection 
destination supports the 
same functions. 
						

							
Using the Projector on a Network79
Enabling WEP Encryption
1. Press Menu on the projector remote. Highlight Network and 
then press 
Enter. 
2. Choose 
Network Configuration and press Enter. 
3. Highlight 
Security, then press Enter. You see the following 
screen: 
4. For the WEP encryption setting, select 
128Bit or 64Bit and press 
Enter. 
5. For Format, highlight 
ASCII to enable text input or HEX to 
enable hexadecimal input, then press 
Enter. 
6. If you chose 
64Bit, choose Encryption key 1, 2, 3, or 4. 
Highlight the 
Encryption key text box that corresponds to the 
Key ID you selected, then press 
Enter. Use the  buttons to 
select individual letters; then press 
Enter to input a character. To 
add a blank space or to navigate backward and forward through 
the input text, highlight the arrows and press 
Enter. To toggle 
note
Text input for WEP 
encryption varies with 
different access points; check 
with your network 
administrator. Try ASCII 
first. If that doesn’t work, 
try Text2 and then Text3. 
						

							
80Using the Projector on a Networksymbol settings or capital letters, highlight the option and press 
Enter. When you’re done, highlight Finish and press Enter. 
7. Check with your network administrator for directions on entering  a key for your network, and fo llow these general guidelines:
■For 128 bit WEP encryption with hexadecimal input, enter 
26 characters, from 0 to 9 and from A to F.
■For 64 bit WEP encryption with hexadecimal input, enter 10 
characters, from 0 to 9 and from A to F. 
■For 128 bit WEP encryption with ASCII or text input, enter 
13 alphanumeric characters.
■For 64 bit WEP encryption with ASCII or text input, enter 5 
alphanumeric characters.
8. When you’re done making these settings, highlight the 
Return 
button at the top of the screen, then press 
Enter. Choose 
Complete
 and press Enter, then choose Yes and press Enter to 
save your settings.