Control Button Description; Some Using Tips; Tip 1: How To Avoid The Hot Spot; Tip 2: How To Control The Camera To Get Best Picture - Dukane DC80A Service Manual

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

Control Button Description

Source
Select
Digital
Zoom
Image
Type
Flip
Decrease
Brightness
Increase
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.
♦
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
Source selection : computer VGA or
camera
Zooming from 100% to 300%
Photo , Text , Invert or Mono
Rotate the image 180 degrees
Decrease picture brightness
Increase picture brightness
5