background image

Note : The DIP switch setting will be taken effect only when you re-power on the 

camera

 

Control Button Description

 

 

Source 

Select 

Source selection : computer VGA or 
camera  

 

 

Digital 

Zoom 

Zooming from 100% to 300% 

 

Image 

Type 

Photo , Text , Invert or Mono   

 

Flip 

Rotate the image 180 degrees 

 

Decrease 

Brightness 

Decrease picture brightness 

 

 

Increase 

Brightness 

Increase picture brightness 

Some Using Tips 

Tip 1: How to avoid the hot spot.   

Glassy paper will result serious reflection of environment light and the 
lamp. If the document paper is glassy, you can take measures to 
overcome this problem.   

Change the camera location to avoid the overhead light source. 

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Turn off the lamp. 

Put the diffuse film on the paper to prevent a direct reflection. 

                Tip 2: How to control the camera to get best picture 

Turn on the lamp to get more light for better S/N ratio. 

Select the proper image type setting to get the best quality. 

Photo: Color picture, such as photo, color catalog .. 
Text : Text rich document , such as report, text book   
Invert : Negative film   
Mono: Gray only picture. 

Adjust the focus ring to get sharpening picture. 

Put the document as flatten as possible. 

Tip3: How to avoid a shadow image on document 

Don’t place your camera just beneath the lamps. You can turn off the 
room’s light and turn on the lamp. 

Tip 4: How to avoid image flickering   

The image flickering is caused by fluorescent lamp with power AC 
frequency 60Hz/50Hz light flickering. Please check your power system 
frequency and set the DIP switch accordingly to remove the flickering 
problem.  

Note : The DIP switch setting will be taken effect only when you re-power on 

the camera 

 

5

Содержание DC80A

Страница 1: ...Document Camera Service Manual DC80A V1 0 05 01 2001 1 ...

Страница 2: ... Tip 1 How to avoid the hot spot 5 Tip 2 How to control the camera to get best picture 5 Tip 3 How to avoid a shadow image on document 5 Tip 4 How to avoid image flicking 5 Maintenance 6 Replacing the mainboard and CCD board 6 Replacing the Hinge 8 Replacing the internal slide of the arm 10 2 ...

Страница 3: ...h the parts listed below Check if all parts are included If anything is missing contact your authorized dealer or service center Note The power adapter is a safety related part Please contact your authorized dealer or service center for replacement Document Camera User s Manual VGA Cable Power Adapter Lamp Power Cord Diffusion Film Installation Place the Document Camera on a sturdy table and avoid...

Страница 4: ...djust Column 8 Lamp 3 Angle Adjust Column 9 DC12V In 4 Control Panel 10 VGA In 5 LED 11 VGA Out 6 Power Switch DIP switch description Switch Description SW1 ON SVGA output format OFF XGA output format SW2 ON Flickerless Disable OFF Flickerless enable SW3 ON 50 Hz AC power OFF 60Hz AC power SW4 ON AE Disable OFF AE enable 4 ...

Страница 5: ...t a direct reflection Tip 2 How to control the camera to get best picture Turn on the lamp to get more light for better S N ratio Select the proper image type setting to get the best quality Photo Color picture such as photo color catalog Text Text rich document such as report text book Invert Negative film Mono Gray only picture Adjust the focus ring to get sharpening picture Put the document as ...

Страница 6: ...four screws on the CCD Box Cover 2 Loosen four screws and open the CCD Box Cover The mainboard and CCD board are under the iron sheet 3 Remove the CCD lens unit and detach the flat cable Loosen one screw and thentake the mainboard and the CCD Board 6 ...

Страница 7: ... is a screw securing the mainboard and CCD Board 5 Detach the mainboard and CCD board carefully and then get each one of them 6 The same applies to the CCD housing and arm joint which has no spring 0 7kgf cm 7 ...

Страница 8: ...Replacing the Hinge 1 There are four screws under the rubber foot Loose them and open the Top Base Cover 2 Remove the screw and spring used to fasten the hinge 3 Detach the flat cable 8 ...

Страница 9: ...4 Remove two screws that keep the hinge in place 5 Replace the hinge and repeat the above steps in reverse order 3 5kgf cm 9 ...

Страница 10: ...e arm from the base as steps shown above 2 Remove the 17 screws that keep the lower arm in place and remove the cover You now have access to the interior 3 Detach the slide and replace it with the new part Then repeat the above steps in reverse order 10 ...

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