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10 

 

Problems and Solutions 

Problem 

Possible causes 

Solutions 

No image 

Poor document camera 

connection 

 

Check if the USB power 
Cable is well connected and 
the light on base shows red. 

Poor focus 

Not enough light or too 
much light 

Turn on/off the led lamps. 

Object beyond focus. 

Adjust the shooting object 
position. 

Unclean camera glass. 

Clean the glass with soft 
cloth. 

No video after app starts 
or the device is selected. 

Document Camera is 

being used in another 

program 

Re-connect the USB and 
choose the device. 

Blur image 

Focus in manual mode 

Change to auto mode by 
Focus Menu. 

Video is not smooth 

Computer configuration 
might be low. 

Change the Camera to lower 
definition. 

The image cannot be 
moved around 

Freeze function of the 
device or in software is 
activated. 

Press the Freeze button on the 
base or in the software to 
de-activate the function. 

Glitter on the camera 
display area 

Frequency difference. 

Change the frequency 
(50HZ/60HZ) in the Camera 
Setting window. 

 

Summary of Contents for QPC28

Page 1: ...Information in this manual is subject to change without notice Document Camera QPC28 User Manual...

Page 2: ...Contents Precautions 1 Parts Identification 2 Specification 3 Make Adjustments 4 Install and Connect 6 Qomo Camera Software Features 6 Problems and Solutions 9...

Page 3: ...s with camera auto focus on It may cause damage to the camera lens To prevent fire or shock hazard do not expose the unit to rain or moisture Be careful not to spill water or other liquids onto the un...

Page 4: ...2 Parts Identification 1 3 5 4 6 8 2 9 10 7 11 12...

Page 5: ...t 10 Compact Sturdy Base 11 Power button 12 Indicator light For No 12 Indicator light Shows red when charging Shows green when charging fully Shows blue when using Specification Image Sensor 1 4 CMOS...

Page 6: ...in microphone Lighting 4 built in ultra bright LEDs USB Port USB 2 0 Output Style MJPEG YUV Power DC 5V 500mA Power Consumption 2 5W Certificates CE RoHS Warranty 2 years Weight 1 8kg Dimensions Fold...

Page 7: ...5 Camera head adjustment Camera head 270 degree rotate freely for live image and video taking from most of the view plus the 180 degree up and down turnover for direction adjustment...

Page 8: ...will be displayed on the desktop after installation finished 2 Open the software it will request you to connect the document camera 3 If there is wifi you will find qpc28 signal Select to connect it...

Page 9: ...re you can open them in the right down corner menu View files Full screen Show software information Hide the software in toolbar Windows change from full screen Annotate in different color Clear annot...

Page 10: ...ou can choose the pixel by clicking Camera View files In the menu of View files there are 3 documents to save different files Capture Photo and Video You can open any one by clicking it Irregular scre...

Page 11: ...9 Compare Our software support you to compare files by two windows or four windows Click to add photos Two windows comparison Four windows comparison...

Page 12: ...app starts or the device is selected Document Camera is being used in another program Re connect the USB and choose the device Blur image Focus in manual mode Change to auto mode by Focus Menu Video i...

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