QOMO QD3900 - Manual (Page 16)

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* Please pay attention to the following:
1. Computer hardware requirement: CPU: 2.4GHz, RAM: 256M or above,
Graphic card 64M, USB 2.0 port, Hard disk 40G or more, Monitor
display resolution higher than XGA (1024 x 768).
2. Operating system: Windows XP SP2 ，Win7.
3. Must use a high-speed USB 2.0 cable provided .
4. When connecting the visualizer to a desktop computer with the
high-speed USB 2.0 cable provided, we recommend using the USB
port located on the rear of the mainframe. The USB port on the front
of the computer might have interference.
USB IMAGE CAPTURE
You can capture and control images on the visualizer from a computer
connected with a USB connector.
Click [Start]

[Program]

[VideoCap]
 “VideoCapx.xx” (x.xx is
software
‟s version) to open the software.
A. Static Images Snap
Click
“Capture”  “Capture Frame”, input the file name in dialog box, or you
can click icon on the toolbar, then input file name in dialog window. The
image file is JPG format.
B. Snap Video Stream
Click
“Capture”  “Start Capture”, input the file name in dialog box, or click
icon on the toolbar, then input the file name in dialog box. If you want to
set the time limit for the capture, select
“Capture”  “Set Time Limit“ to set
the time limit. Click
“Start Capture” to start capture, and click “Stop
Capture
” or
icon on the toolbar to stop capture. (If you have set the
time limit, it will stop automatically when the time is up.) The video file is
AVI format.
C. Set the Frame Rate