NEC Lt245 Portable Projector Users Manual

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Setting a Password [Password (Menu)] / [Password (Logo)]
A password can be set for your projector to avoid operation by an unauthorized person.
When Password (Menu) is set, changing the menu from Basic to Advanced will display Password (Menu) input
screen.
When Password (Logo) is set, doing any one of the following two operations will display the Password input screen.
•Changing the background
•Changing the logo data in a PC card
Entry:
To assign your password:
NOTE: Up to 15 alphanumeric characters can be assigned.
1. Type a password.
Highlight Entry and press the ENTER button.
The Enter the Password screen will be displayed.
Make sure that  is highlighted and then press the ENTER button.
The Software keyboard appears. Use the Software keyboard to type a password and then highlight OK
on the “Enter the Password” screen and press the ENTER button.
The [Confirm Password] screen will be displayed.
2. Type the same password again. Highlight OK on the “Enter the Password” screen and press the
ENTER button.
Your password will be assigned.
Delete:
To delete your password:
1. Highlight [Delete] and press the ENTER button. The Current Password screen will be displayed.
2. Use the Software keyboard to type your password. Highlight OK on the “Current Password” screen and
then press the ENTER button.
Your password will be deleted.
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Security
The Security function enables you to protect your projector so that the projector will not project a signal unless you
enter a keyword. There is also an option to lock the projector by using a registered PC card* as a protect key. Once you
have registered your PC card as a protect key, you are required to insert the registered PC card into the PC card slot
of the projector each time you turn on the projector. You can enable the Security function by using a keyword only.
*The projector does not support NTFS formatted flash memory card or USB memory device.
Be sure to use a flash memory card or USB memory device formatted with the FAT32, FAT16 or FAT file system.
To format your flash memory card or USB memory device in your computer, refer to the document or help file
that comes with your Windows.
Enable/Disable ....... This turns the Security function on or off.
Keyword ................ Enter an appropriate keyword when you use the Security function. (Up to 10 characters can be used.) The
Security function is available only when your keyword is entered.
Use Protect key ..... Check this box to lock your projector when using a PC card. To use a keyword without a PC card, do not
check this box.
Drive ...................... Switches between PC Card slot and USB port (type A).
Read ...................... Reads data from a PC card.
Register ................. Registers data from the PC card. The Security function is not available unless at least one PC card is
registered. (if the “Use Protect key” check box is selected) Up to 5 PC cards can be registered.
Delete .................... Deletes data of a registered PC card.
To set up a keyword to enable the Security function without using a registered PC card.
1. Use the SELECT 
 button to select “Keyword” and use the software keyboard to enter a keyword.
NOTE: Please make a note of your keyword.
2. Use the SELECT 

 button to select “Enable” and use the SELECT 
 button to select “OK”, then the
Security function will be enabled.
An “Are you sure?” message will appear. Use the SELECT 
 button to select “Yes” and press the
ENTER button.
The Security function takes effect.
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To register a PC card as a protect key.
1. Insert a PC card into the PC card slot of the projector.
2. Use the SELECT 

 button to select Use Protect Key and press the ENTER button.
3. Use the SELECT 

 button to select Read and press the ENTER button.
Data of the PC card will be read into the projector.
4. Use the SELECT 

 button to select Register and press the ENTER button.
Downloaded data will be registered and be displayed in the list window.
5. Use the SELECT 

 button to select Keyword and use the software keyboard to enter a keyword.
NOTE: To use a PC card as a protect key, you must also set up a keyword. Please make a note of your keyword.
This completes registration of your PC card.
To enable Security, use the SELECT 
 button to select Enable and use the SELECT 
 button to select OK and
Security function will be enabled. An “Are you sure? message will appear. Use the SELECT  button and press the
ENTER button.
The Security function takes effect.
To turn on the projector when Security is enabled (when using your keyword only).
1. Press and hold the POWER button for a minimum of two seconds.
The projector will be turned on and display a message to the effect that the projector is security-pro-
tected.
2. Press the MENU button.
The Release Code input screen will be displayed.
3. Enter your keyword in the Release Code input screen.
You can view the projected image.
NOTE: Do not forget your keyword. However, if you forget your keyword, NEC or your dealer will provide you with your Release
Code. See more information at the end of this section.
To turn on the projector when Security is enabled (when using PC card as a protect key).
1. Insert your registered PC card into the PC card slot.
2. Press and hold the POWER button for a minimum of two seconds.
The projector will turn on and then recognize the PC card. Once the image has been projected, it will
stay on without the PC card.
•The security disable mode is maintained until the main power is turned off (by setting the main power switch
to O or unplugging the power cord). In the following cases you will be asked to check the protect key or input
the keyword:
(1)When OK is selected at an image for which security is set and the power is turned off then back on
(2)When the main power is turned off then back on while the security function is enabled
(3)When you attempt to display an image for which security is set while the security function is enabled
•Blanks (spaces) cannot be used in the Keyword section.
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To delete PC card data you registered.
1. Use the SELECT 
 button to select Delete and use the SELECT  button to select the list window.
2. Use the SELECT 

 button to select the PC card data you wish to delete.
3. Press the SELECT 
 button to select Delete and press the ENTER button.
The PC card data will be deleted.
If youve lost your registered PC card, proceed as follows:
NOTE: NEC or your dealer will provide you with your Release Code in exchange for your registered keyword and Request Code.
See more information at the end of this section.
1. Press and hold the POWER button for a minimum of two seconds.
The projector will be turned on and display a message to the effect that the projector is security-pro-
tected.
2. Press the MENU button.
The Release Code input screen will be displayed as well as your Request Code (24 alphanumeric
characters).
3. Enter your Release Code in the Release Code Input screen.
The projector will turn on.
*If the projector is turned on by entering the Release Code, your Security will be disabled.
NOTE:
•Some types of PC cards cannot be registered as your protect key.
•It is recommended that you register two or more PC cards in case you lose or damage your registered PC card.
•Formatting your registered PC card will disable your protect key function.
NOTE:
For additional information visit:
US : http://www.necvisualsystems.com
Europe : http://www.nec-europe.com/
Global : http://www.nec-pj.com/
6. Using On-Screen Menu 
						

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Installation
Selecting Projector Orientation [Orientation]
This reorients your image for your type of projection. The options are: desktop front projection, ceiling rear projection,
desktop rear projection, and ceiling front projection.
NOTE: Selecting one of the other options than “Desktop Front” will force the “Keystone” mode to be “Manual.
Selecting Aspect Ratio and Position for Screen [Screen]
Screen Type ........... Select one of three options: 4:3 Screen or 16:9 Screen for the screen to be used. See also Aspect Ratio on
page 81.
Position ................. This feature allows you to adjust the vertical position of the image when 16:9 has been selected for the
screen type.
When 16:9 has been selected there is black area above and below the image. You can adjust the vertical
position of the image in these areas.
You can adjust the vertical position between top and bottom.
NOTE: This option is available only when 16:9 is selected in Screen Type.
NOTE: During 3D Reform adjustment, Screen Type and Screen Position may not be available. To make available, first reset the
3D Reform data and then do settings again. Secondly repeat the 3D Reform adjustment. Changing Screen Type and Screen
Position can limit 3D Reform in its adjustable range.
6. Using On-Screen Menu 
						

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LAN Mode
Setting LAN Mode
This feature allows you to set various setting items when the projector is used on your network.
CAUTION
•Consult with your network administrator about these settings.
•Connect a LAN cable (Eathernet cable) to the LAN port (RJ-45). See page 22.
•For wireless LAN connection, use the NEC optional wireless LAN card (NWL-100*).
*Last digit of the model code varies depending on which country you live in. For more information, visit
the above Website.
•To use wireless LAN, insert the NEC optional wireless LAN card (NWL-100*) into the PC Card slot.
See Inserting and Removing a PC Card” on page 24.
•Always insert or remove the wireless LAN card when the main power is turned off. Failure to do so may
cause projector malfunction or damage to the wireless LAN card. If the projector will not work correctly,
turn off the projector, wait 90 seconds, and turn it back on.
Hints on How to Set Up LAN Connection
To configure the projector to communicate on the network using the LAN port (RJ-45) or the optional wireless LAN
card:
1. Select the Built-in tab for the LAN port (RJ-45) or the PC Card tab for the optional wireless LAN
card.
2. On the Built-in tab or the PC Card tab, select a number from the Profiles list for your LAN
settings.
Two settings can be stored in memory for each the LAN port and the wireless LAN card respectively.
3. On the Built-in tab or the PC Card tab, turn on or off DHCP, specify IP address, Subnet Mask,
Gateway and DNS Configuration. Select [OK] and press the ENTER button.
See page 100 or 101.
To recall the settings from memory:
After selecting the Built-in tab or the PC Card tab, select the number from the Profiles list.
Select [OK] and press the ENTER button. See page 100 or 101.
To connect a DHCP server:
On the Built-in tab or the PC Card tab, select DHCP and press the ENTER button. A check mark will be
placed. Select again and press the ENTER button. The check box will be cleared.
When setting an IP address without using a DHCP server, clear the check box for DHCP. See page 100 or 101.
To set only for wireless LAN (Network Type and WEP):
1. On the PC Card tab, select Profiles and then select Profile 1 or Profile 2.
2. On the PC Card tab, select Advanced” and press the ENTER button. The Advanced menu will be
displayed.
See page 102.
To select a wireless LAN access point:
1. On the PC Card tab, select Profiles and then select Profile 1 or Profile 2.
2. On the PC Card tab, select Advanced” and press the ENTER button.
3. On the Advanced menu, select Network Type 
→ Site Survey and press the ENTER button.
4. Select Mode and then select Infrastructure.
See pages 102 and 103.
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To receive error messages or information on the remaining lamp life via e-mail:
1. On the Mail tab, select Alert Mail and press the ENTER button. A check mark will be placed.
2. Set Senders Address, SMTP Server Name and Recipients Address. Select [OK] and press the
ENTER button.
See page 105.
To execute Easy Connection” using Image Express Utility 2.0:
The Easy Connection is a mode that can abbreviate the troublesome LAN settings when using the Image Ex-
press Utility 2.0 and connecting the PC and projector via a wireless LAN.
The Image Express Utility 2.0 is contained on the supplied User Supportware 2 CD-ROM. To use Easy Connec-
tion, select PC Card → Profiles → Easy Connection. See page 101.
Built-in
Profiles (for LAN port [RJ-45]):
Up to two settings for the LAN port (RJ-45) can be stored in memory of the projector.
Select Profile 1 or Profile 2 and then do settings for DHCP and the other options.
After doing this, select [OK] and press the ENTER button. This will store your settings in memory.
DHCP:
Enabling this option automatically assigns an IP address to the projector from your DHCP server.
Disabling this option allows you to register the IP address or subnet mask number obtained from your network
administrator.
IP Address ............. Set your IP address. Press 
 to display the software keyboard and type in 12 numeric characters.
Subnet  Mask ......... Set your subnet mask number. Press 
 to display the software keyboard and type in 12 numeric characters.
Gateway ................ Set the default gateway of the network connected to the projector. Press 
 to display the software keyboard
and type in 12 numeric characters.
DNS Configuration Type in the IP address of DNS server on the network connected to the projector. Twelve numeric characters
are used.
Reconnect ............. Use this button to connect the projector to a network.
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PC Card
Profiles (for PC Card):
To execute a wireless LAN easily using Image Express Utility 2.0, select “Easy Connection.
Up to two settings for the optional wireless LAN card can be stored in memory of the projector.
Select Profile 1 or Profile 2 and then do settings for DHCP and the other options.
After doing this, select [OK] and press the ENTER button. This will store your settings in memory.
DHCP:
Place a check mark to automatically assign an IP address to the projector from your DHCP server.
Clear this check box to register the IP address or subnet mask number obtained from your network administrator.
IP Address ............. Set your IP address. Press 
 to display the software keyboard and type in 12 numeric characters.
Subnet  Mask ......... Set your subnet mask number. Press 
 to display the software keyboard and type in 12 numeric characters.
Gateway ................ Set the default gateway of the network connected to the projector. Press 
 to display the software keyboard
and type in 12 numeric characters.
DNS Configuration Type in the IP address of DNS server on the network connected to the projector. Twelve numeric characters
are used.
Advanced .............. Displays the Advanced menu which includes various setting for wireless LAN connection (Network Type
and WEP). See the Advanced menu later on.
Reconnect ............. Use this button to connect the projector to a network.
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6. Using On-Screen Menu
Advanced menu
Network Type (required for wireless only)
Site Survey:
Displays a list of available SSIDs for wireless LAN on site. Select an SSID which you can access.
To select an SSID, highlight the SSID and use the SELECT   to select [OK] and press the ENTER button.
 : access point
 : Ad Hoc PC
 : WEP enabled
NOTE: You cannot connect to a device with the SSID for Channel 14 because it is not displayed in the list.
SSID (Network name):
Enter an identifier (SSID) for wireless LAN when selecting [Infrastructure] or [802.11 Ad Hoc] in [Mode]. Commu-
nication can be done only with equipment whose SSID matches SSID for your wireless LAN. Up to 32 alphanu-
meric characters can be used.
NOTE: To disable SSID, select a space (null) or ANY(All caps).
Mode:
Select communication method when using wireless LAN.
Infrastructure ........ Select this option when communicating with one or more equipment connected to the wireless or wired
LAN network via an access point.
802.11 Ad Hoc ...... Select this option when using the wireless LAN to directly communicate with a computer in peer-to-peer
mode. This is a method that meets the IEEE802.11 wireless standard.
NOTE: When in Ad Hoc mode, only 802.11b is available for communication method.
Data transmission speed in Ad Hoc mode is limited up to 11Mbps. 
						

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WEP (required for wireless only)
Select this option whether using the WEP (Wired Equivalent Privacy) key for encryption or not. To use encryption,
specify WEP key.
Disable .................. Will not turn on the encryption feature. Your communications may be monitored by someone.
64bit ...................... Uses 64-bit datalength for secure transmission.
128bit .................... Uses 128-bit datalength for secure transmission. This option will increase privacy and security when com-
pared to use of 64-bit datalength encryption.
152bit .................... Uses 152-bit datalength for secure transmission. This option will increase privacy and security when com-
pared to use of 128-bit datalength encryption.
NOTE:
•The WEP settings must be the same as communication devices such as PC or access point in your wireless network.
•When you use WEP, your image transmission speed will slow down.
Key Select:
Selects one key from the four keys below when selecting [64bit], [128bit] or [152bit] in [WEP].
Key1-4:
Enter encryption key when selecting [64bit], [128bit] or [152bit] in [WEP].
Up to 5 characters can be set in 64 bit, up to 13 characters in 128 bit and up to 16 characters in 152 bit. Press the
“HEX” button to change to “ASCII” to set the key in ASCII digit. You can toggle this button between “ASCII” and
“HEX”.
The key can also be set in hexadecimal digit.
*Enter 0X(numeral and alphabet respectively) right in front of your key code.
*Hexadecimal uses 0 to 9 and A to F.
*When setting in a hexadecimal digit, up to 10 characters can be set in 64 bit, up to 26 characters in 128 bit
and up to 32 characters in 152 bit.
6. Using On-Screen Menu