215920
177
Zoom out
Zoom in
Previous page
1/183
Next page
163
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 PC’s signal output to the projector.
A combination of function keys will enable/disable the
external 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 background, logo, 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 pro-
jector’s 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.
9
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 user’s 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
“Status 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 but-
ton for a minimum of 2 seconds.
Shut down during operation.
Power cable’s plug is fully inserted into the wall outlet.
Lamp cover is installed correctly.
Auto Power Off is turned off (only models with the Auto
Power Off function).
Off Timer is turned off (only models with the Off Timer func-
tion).
PROGRAM TIMER is turned off (only models with the Pro-
gram 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] or [3D REFORM] adjustment).
Parts of the image are lost.
Still unchanged even though you press the AUTO ADJUST
button.
Still unchanged even though you carry out [RESET] in the
projector’s 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
button.
Still unchanged even though you carry out [RESET] in the
projector’s menu.
Image shows flickering or color drift on a computer signal.
Still unchanged even though you change [FAN MODE] from
[HIGH ALTITUDE] to [AUTO].
Image appears blurry or out of focus.
Still unchanged even though you checked the signal’s resolu-
tion on PC and changed it to projector’s 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
models with the AUDIO OUT connector).
Other
Remote control does not work.
No obstacles between the sensor of the projector and the
remote control.
Projector is placed near a fluorescent light that can disturb
the infrared remote controls.
Batteries are new and are not reversed in installation.
If present on the remote control, projector selector switch is
not used.
Buttons on the projector cabinet do not work ( only models with
the Control Panel 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
button for a minimum of 10 seconds.
9. Appendix
177


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 np3250w 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 np3250w in the language / languages: English as an attachment in your email.

The manual is 13,4 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.

Others manual(s) of Nec np3250w

Nec np3250w User Manual - German - 183 pages


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