NEC Nc900ca Manual

61
5. Maintenance of \fiYour Projector
4 Mount the filter cover to the projector.
  1.  
Grasp the knob on th\le filter cover and mount it to the projector.
  2. 
 
Tighten the two knobs clockwise to secure the filter cover.
This completes replacing the rear air filter. Next, replace the side ai\fir filter. 

62
5. Maintenance of \fiYour Projector
5-3-6. Replacing the Side Air Filter
\freparati\bn: Replace the lamp \fifirst. (See page 54)\fi
1 Remove the filter cover.
The  filter  cover  is  fastened  \fy  plastic  clips  (4  locations).  Grasp  the  top  and  \fottom  edges  of  the  cover  and  pull  it 
towards you to remove it.
Clip receptacle holes
Clip receptacle holes
NO
TEWhen  removing  the  filter  cover,  remove  it  \fy  applying  force  evenly.  \bf  you  only  apply  force  to  one  side,  it...

63
5. Maintenance of \fiYour Projector
2 Remove the air filter.
Pull the upper par\fit of the air filter \fitowards you and lift it\fi up to remove it.
3 Mount the air filter to the projector.
Look for an arrow (↑A\bR FLOW) indicating the installation direction on the side of the air filter. Point the arrow towards 
the projector.
  1. 
  Align the air filter to the flange under the air \linlet.
  2.  
Push the top side of the air\l filter against the air inlet\l on the projector.
Flange 

64
5. Maintenance of \fiYour Projector
4 Mount the filter cover to the projector.
  1. 
 
Align  the  positions  of  the  plastic  clips  (4  locations)  with  the  clip  receptacle  holes  on  the 
projector.
  2.  
Push it in straight to fasten the filter cover.
Clip receptacle holes
Clip receptacle holes
This completes replacing the side air filter. \bf you have not yet finished replacing the rear air filter, replace the rear air 
filter next (
See page 59). Once you have finished replacing \foth of...

65
6-1. Troubleshooting
Before asking for repair, please check your connection, settings and operation once again. \bf the trou\fle cannot \fe corrected, 
please contact you\fir dealer/distri\futo\fir for instructions\fi or repair. 
6-1-1. Problems and where to check
Pro\flemCheck these items
The projector cannot \fe t\fiurned on. Check to see if AC\fi power is supplied\fi to the projector.
Make certain that the main\fi power switch is O\fiN.
Check to see wheth\fier the panel key l\fiock function is...

66
6. Appendix
Pro\flemCheck these items
Video image is dist\fiur\fed. Check whether the \fisignal ca\fle connec\fited to the projector is disconn\fiected.
The STATUS indicator \flink\fis in red. Your projector may have t\firou\fle. Please conta\fict your dealer/dis\fitri\futor for instru\fictions.
An error code is display\fied. Please contact you\fir dealer/distri\futo\fir for instructions\fi.
6-2. Indicator display list
See the descriptions \felow when the \futtons on the control panel or the STATUS...

67
6. Appendix
6-2-3. POWER button
\bndicator condition\fi Projector condition Note
Off The projector power supp\fily is off, or the projector is in 
stand\fy. -
Blinking light Green
(cycles of 1) 
(Note 1)Preparing to turn power on/cooling \fifan rotating
(State from turning the power off to entering stand\fi\fy 
mode). Wait for a moment.
Green
(cycles of 2) 
(Note 2) State where power cannot \fe t\fiurned off
(\bmmediately after \fiturning the lamp on or\fi immediately after\fi 
changing the lamp...

68
6. Appendix
6-2-6. STATUS indicator 
\bndicator condition\fi Projector condition Note
Off  Main power is off. -
Blinking light Green The projector is getting \fiready to turn on.
The douser is clos\fied. 
The lamp is off.  Wait for a moment.
Orange The projector is cooling \fidown. Wait for a moment.
Red (With \fuzzer) Safety pro\flem, error. An  error  message  is  displayed  in 
the LCD screen. 
Check the content \fiof the error.
Red (Without \fuzzer\fi)
Error with possi\fle image project under...

69
6. Appendix
6-3. Operation using an HTTP\l browser
6-3-1. Overview 
The use of HTTP server functions will allow control of the projector from a we\f \frowser. Please \fe sure to use “Microsoft \bnternet 
Explorer 4.x” or a higher\fi version for the w\fie\f \frowser. 
This device uses “JavaScript” and “Cookies” and the \frowser should \fe set to accept these functions. The setting method will 
vary  depending  on  the  version  of  the  \frowser.  Please  refer  to  the  help  files  and  the  other...

70
6. Appendix
6-3-4. Structure of the HTTP server
    
PowerControls the power to y\fiour projector. 
• On: Turns the power on. 
•  Off: Turns the power off. 
Lamp Turn the lamp on/off. 
• On: Turns the lamp on. 
•  Off: Turns the lamp off.
Title List Displays titles set\fi in the projector (such as i\finput port, screen type, and titl\fie).
Check, and the tit\file will \fe changed.\fi
Basic Control Displays the \fasic \ficontrol items.
Lens Controls the lens opera\fition.
Shift  : Shifts the projected...