Справочник Пользователя для SMART Technologies Document Camera 280

99-00864-20 D0

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No image displays or 
appears.

• Turn off the document camera (see page 11). Securely 

connect all cables and connect the camera’s AC adapter to 
a power outlet. Wait for several seconds, and then press 

the Power button 

 on the document camera control panel 

to turn it on.

• Adjust the zoom dial. The camera may be magnified and is 

displaying a blank section of the document.

• Ensure that the Output DIP switches on the rear panel are 

set to the proper image output (RGB or Video on the left, 
and NTSC or PAL on the right).

• If you’re using the included USB connector, set the left 

Output DIP switch to RGB.

No image displays after you 
restart your computer.

• If the document camera is connected to a USB hub and you 

restart your computer, turn off the power on the document 
camera, wait for several seconds, and then press the 

Power button 

 on the document camera control panel to 

turn it on again. 

The image is out of focus.

• Press the AF button to sharpen the image.

• Use the manual focus option in SMART Notebook (see 

page 13).

• Move the document or object further away from the 

camera lens.

The image is scrambled or 
black and white.

• Ensure the right DIP switch is set to NTSC if you’re using an 

NTSC display, or that it’s set to PAL if you’re using a 
PAL display.

The image is too dark.

• Press the brightness buttons 

   on the document 

camera control panel to adjust the brightness.

• If the document or object isn’t well lit, turn on the 

illumination lamp.

The image is broken apart by 
lines.

• Adjust the distance between the camera lens and the 

document or object.

• Adjust your projector’s settings so that the lines disappear. 

Refer to your projector’s documentation for more info.

The image doesn’t move.

• Select Menu > Pause > Off to turn off the camera’s pause 

feature in the on-screen display menu.