NEC Lt245 Portable Projector Users Manual

114
LAN Built-in
This page shows information on settings for the LAN port (RJ-45)
IP Address ............. Indicates the IP address of the projector when the LAN port (RJ-45) is used.
Subnet Mask ......... Indicates the subnet mask of the projector when the LAN port (RJ-45) is used
Gateway ................ Indicates the gateway of the network connected to the projector when the LAN port (RJ-45) is used.
MAC Address ........ Indicates the MAC address of the LAN port (RJ-45).
LAN PC Card
This page shows...

115
6. Using On-Screen Menu
LAN Wireless
This page shows information on settings for WEP key for encryption.
SSID ...................... Indicates the identifier (SSID) for your wireless LAN.
Mode ..................... Indicates that Infrastructure or 802.11 Ad Hoc is selected for your communication method
WEP ...................... Indicates your selected datalength encryption: On or Off
Channel ................. Indicates the channel you selected in the Site Survey. The channel must match for all...

116
6. Using On-Screen Menu
 Menu Descriptions & Functions [Reset]
Returning to Factory Default
The Reset feature allows you to change adjustments and settings to the factory preset for sources by the following
methods:
[Current Signal]
Resets the adjustments for the current signal to the factory preset levels.
All the items in “Adjust (except “Wall Color”) can be reset.
[All Data]
Reset all the adjustments and settings for all the signals to the factory preset except Entry List, Language, Back-
ground,...

117
7
Maintenance
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

  Cleaning the Cabinet .............................................. 118
  Cleaning the Lens ................................................... 118
  Replacing the Lamp ................................................ 119 

118
7. Maintenance
This section describes the simple maintenance procedures you should follow to replace the lamp, and to clean the
cabinet and the lens.
 Cleaning the Cabinet
1. Turn off the projector before cleaning.
2. Clean the cabinet periodically with a damp cloth. If heavily soiled, use a mild detergent. Never use strong
detergents or solvents such as alcohol or thinner.
 Cleaning the Lens
Use a blower or lens paper to clean the lens, and be careful not to scratch the lens.
Lens Protector
The...

119
7. Maintenance
 Replacing the Lamp
After your lamp has been operating for 2000 hours (up to 4000 hours : Eco mode) or longer, the Lamp indicator in the
cabinet will blink red and the message will appear. Even though the lamp may still be working, replace it at 2000 hours
(up to 4000 hours : Eco mode) to maintain optimal projector performance.
CAUTION
•DO NOT TOUCH THE LAMP immediately after it has been used. It will be extremely hot. Turn the projector off,
wait 90 seconds, turn off the main power...

120
7. Maintenance
Interlock
3. Remove the lamp housing by pulling out the handle.
NOTE: There is an interlock on this case to prevent the risk of electrical shock. Do not attempt to circumvent this interlock.
4. Insert a new lamp housing until the lamp housing is plugged into the socket.
CAUTION
Do not use a lamp other than the NEC replacement lamp (LT60LPK).
5. Secure it in place with the two screws.
Be sure to tighten the screws. 

121
7. Maintenance
6. Reattach the lamp cover.
7. Tighten the lamp cover screw.
Be sure to tighten the screw.
8. After you install a new lamp, select the menu [Reset] → [Clear Lamp Hour Meter] to clear the Remaining
Lamp Time and the Lamp Hour Meter.
NOTE: When the lamp exceeds 2100 hours (up to 4100 hours in Eco mode) of service, the projector cannot turn on and the
menu is not displayed. If this happens, press the HELP button on the remote control for a minimum of 10 seconds while in
standby mode. When...

122
8
Appendix
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○

  Troubleshooting ...................................................... 123
  Specifications ......................................................... 126
  Cabinet Dimensions ............................................... 128
  Pin Assignments of D-Sub COMPUTER 1/2 Input
Connector ............................................................ 129
  Compatible Input Signal List ................................... 130
  PC Control Codes and...

123
8. Appendix

 Troubleshooting
This section helps you resolve problems you may encounter while setting up or using the projector.
Indicator Messages
Power Indicator
Indicator Condition
Projector Condition Note
Off
Blinking light
Steady lightGreen
Orange
Green
Orange0.5 sec On,
0.5 sec Off
2.5 sec On,
0.5 sec Off
0.5 sec On,
0.5 sec OffThe main power is off
The projector is getting ready to turn on.
Off Timer is activated.
The projector is cooling down.
The projector is turned on.
The projector is in...