214513
72
Zoom out
Zoom in
Previous page
1/77
Next page
64
No image is displayed from your PC or video equipment to the
projector.
Still no image even though you connect the projector to the PC
first, then start the PC.
Enabling your notebook PCs signal output to the projector.
A combination of function keys will enable/disable the ex-
ternal display. Usually, the combination of the Fn key along
with one of the 12 function keys turns the external display
on or off.
No image (blue or black background, no display).
Still no image even though you press the AUTO ADJUST but-
ton.
Still no image even though you carry out [Reset] in the
projectors menu.
Signal cable's plug is fully inserted into the input connector
A message appears on the screen.
( _____________________________________________ )
The source connected to the projector is active and available.
Still no image even though you adjust the brightness and/or
the contrast.
Input source's resolution and frequency are supported by the
projector.
7. Appendix
Troubleshooting Check List
Before contacting your dealer or service personnel, check the following list to be sure repairs are needed also by
referring to the Troubleshooting section in your users manual. This checklist below will help us solve your problem
more efficiently.
* Print the following pages.
Frequency of occurrence always sometimes (How often?_____________________) other (__________________)
Power
No power (POWER indicator does not light green) See also Sta-
tus Indicator (STATUS).
Power cable's plug is fully inserted into the wall outlet.
Main power switch is pressed to the ON position.
Lamp cover is installed correctly .
Lamp Hours Used (lamp operation hours) was cleared after
lamp replacement.
No power even though you press and hold the POWER button
for 1 second.
Shut down during operation.
Power cable's plug is fully inserted into the wall outlet.
Lamp cover is installed correctly .
Power Management is turned off (only models with the Power
Management function).
Off Timer is turned off (only models with the Off Timer function ).
Video and Audio
Image is too dark.
Remains unchanged even though you adjust the brightness
and/or the contrast.
Image is distorted.
Image appears to be trapezoidal (unchanged even though you
carry out the [Keystone] adjustment).
Parts of the image are lost.
Still unchanged even though you press the AUTO ADJUST but-
ton.
Still unchanged even though you carry out [Reset] in the
projectors menu.
Image is shifted in the vertical or horizontal direction.
Horizontal and vertical positions are correctly adjusted on a
computer signal.
Input source's resolution and frequency are supported by the
projector.
Some pixels are lost.
Image is flickering.
Still unchanged even though you press the AUTO ADJUST but-
ton.
Still unchanged even though you carry out [Reset] in the
projectors menu.
Image shows flickering or color drift on a computer signal.
Image appears blurry or out of focus.
Still unchanged even though you checked the signals resolu-
tion on PC and changed it to projectors native resolution.
Still unchanged even though you adjusted the focus.
No sound.
Audio cable is correctly connected to the audio input of the
projector.
Still unchanged even though you adjusted the volume level.
AUDIO OUT is connected to your audio equipment (only mod-
els with the AUDIO OUT connector).
Other
Remote control does not work.
No obstacles between the sensor of the projector and the re-
mote control.
Projector is placed near a fluorescent light that can disturb the
infrared remote controls.
Batteries are new and are not reversed in installation.
Buttons on the projector cabinet do not work ( only models with
the Key Lock function).
Control Panel Lock is not turned on or is disabled in the menu.
Still unchanged even though you press and hold the EXIT but-
ton for a minimum of 10 seconds.
72


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Nec vt 480 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Nec vt 480 in the language / languages: English as an attachment in your email.

The manual is 2,54 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info