NEC Vt700 Projector User Manual

43
5. Using On-Screen Menu
[Installation]
Selecting Projector Orientation [Orientation]
This sets your image for your type of projection application. The options are:
desktop front projection, ceiling rear projection, desktop rear projecti\
on, and ceiling front projection.
Selecting Communication Speed [Communication Speed]
This feature sets the baud rate of the PC CTRL port (Mini DIN 8 Pin). \
It supports data rates from 4800 to 19200 bps.
The default is 19200 bps.
Select the appropriate baud rate for...

44
Enabling Security [Security]
This feature turns on or off the Security function.
Unless the correct keyword is entered, the projector cannot project an i\
mage. (→page  29)
Selecting Menu Color [Menu Color Select]
You can choose between two color modes for menu color: color and monochro\
me.
Selecting Menu Display Time [Menu Display Time]
This option allows you to select how long the projector waits after the \
last touch of a button to turn off the menu.
The preset choices are [Manual], [Auto 5...

45
5. Using On-Screen Menu
Enabling Power Management [Power Management]
When this option is selected you can enable the projector to automatical\
ly turn off (at the selected time: 5 min., 10
min., 20 min., 30 min.) if there is no signal received by any input.
Enabling Fan Speed Mode [Fan Mode]
This option allows you to select three modes for fan speed: Auto mode, High speed mode, and High Altitude mode.
Auto ...................... The built-in fans automatically run at a variable speed according to...

46
5. Using On-Screen Menu
 Menu Descriptions & Functions [Information]
Displays the status of the current signal and lamp usage. This item has three pages. The information included is as follows:
[Usage Time]
[Lamp Life Remaining] (%)*1
[Lamp Hours Used] (H)*2
[Filter Hours Used] (H)*2
*1: The progress indicator shows the percentage of remaining bulb life.
The value informs you of the amount of lamp usage. When the remaining la\
mp time reaches 0, the Remaining
Lamp Time bar indicator changes from 0%...

47
5. Using On-Screen Menu
[Version]
[Product] [Firmware] Version
[Serial Number] [Data] Version
\b  Menu Descriptions & Functions [Reset]
Returning to Factory Default [Reset]
The Factory Default feature allows you to change adjustments and setting\
s to the factory preset for a (all) source (s)
except the following:
[Current Signal]
Resets the adjustments for the current signal to the factory preset leve\
ls.
The items that can be reset are: [Preset], [Contrast], [Brightness], [Co\
lor], [Hue],...

48
6. Maintenance
MEN USELECTLAMP
STATU S
POW ERON/S TA ND B YSO URCEA UTO  A DJ.E N T
E REXI
T
F O CUSZOOM
Filter
This section describes the simple maintenance procedures you should foll\
ow to clean the filters and replace the lamp.

  Cleaning or Replacing the Filters
The air-filter sponge keeps dust and dirt from getting inside the projec\
tor and should be frequently cleaned. If the filter
is dirty or clogged, your projector may overheat.
NOTE: The message for filter cleaning will be displayed for...

49
6. Maintenance
3. Reinstall the new filter cover.4. Clear the filter hours used.
To reset the filter usage time, from the menu, select [Reset]  → [Clear Filter Hours].
( → page  47 for resetting the filter usage time.)
NOTE: Do not wash the filter with soap and water. Soap and water will damage the filter membrane. Before replacing the f\
ilter,
remove dust and dirt from the projector cabinet. Keep out dust and dirt \
during filter replacement.
NOTE: When you replace the lamp, it is also wise to...

50
 Replacing the Lamp
After your lamp has been operating for 2000 hours (up to 3000 hours in \
Eco mode) or longer, the LAMP indicator in the
cabinet will blink red and the message  [The lamp has reached the end of its usable life. Please replace the
lamp.]*  will appear. Even though the lamp may still be working, replace it at 2000 (up to \
3000 hours in Eco mode)
hours to maintain optimal projector performance. After replacing the lamp, be sure to clear the lamp hour meter.
( →  page  47)
CAUTION
•...

51
3. Remove the lamp housing.
(1)Loosen the two screws securing the lamp housing until the phillips screw\
driver goes into a freewheelingcondition. The two screws are not removable.
(2)Remove the lamp housing by holding it.
6. Maintenance
NOTE: There is an interlock on this case to prevent the risk of electrical shock. \
Do not attempt to circumvent this interlock.
Interlock
2. Remove the lamp cover.
(1)Press firmly and slide the lamp cover by 1 cm (0.4”) • Do not force to pull the lamp cover
(2)Push...

52
6. Maintenance
6. Connect the supplied power cable, turn on the Main Power switch and turn\
 on the projector.7. Finally, select the menu 
→ [Reset] → [Clear Lamp Hours] to reset the lamp usage hours.
NOTE: When the lamp exceeds 2100 hours (up to 3100 hours in Eco mode) \
of service, the projector cannot turn on and the menuis not displayed.If this happens, press the HELP button on the remote control for ten sec\
onds to reset the lamp clock back to zero.
When the lamp time clock is reset to zero,...